15,254 Answered Questions for the topic precalculus

Precalculus Calculus Trigonometry

10/01/23

Find the indicated side x. (Use either the Law of Sines or the Law of Cosines, as appropriate. Assume a = 46 and c = 43. Round your answer to one decimal place.) x =

Find the indicated side x. (Use either the Law of Sines or the Law of Cosines, as appropriate. Assume a = 46 and c = 43. Round your answer to one decimal place.)x = 
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Precalculus Calculus Trigonometry

10/01/23

Find the indicated side x. (Use either the Law of Sines or the Law of Cosines, as appropriate. Assume ∠A = 40° and ∠B = 105°. Round your answer to two decimal places.) x =
Find the indicated side x. (Use either the Law of Sines or the Law of Cosines, as appropriate. Assume ∠A = 40° and ∠B = 105°. Round your answer to two decimal places.)x =
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Precalculus Calculus Trigonometry

10/01/23

Solve triangle ABC. (If an answer does not exist, enter DNE. Round your answers to one decimal place.) a = 20, b = 42, c = 28
Solve triangle ABC. (If an answer does not exist, enter DNE. Round your answers to one decimal place.)a = 20,    b = 42,    c = 28
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Precalculus Calculus Trigonometry

10/01/23

Use the Law of Cosines to determine the indicated side x. (Assume a = 21 and c = 33. Round your answer to one decimal place.) x =
Use the Law of Cosines to determine the indicated side x. (Assume a = 21 and c = 33. Round your answer to one decimal place.)x =
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Precalculus Calculus Trigonometry

10/01/23

Use the Law of Cosines to determine the indicated side x. (Assume b = 18 and c = 36.

Use the Law of Cosines to determine the indicated side x. (Assume b = 18 and c = 36. Round your answer to one decimal place.)x =
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Precalculus Math Algebra 1 Algebra 2

10/01/23

Use the Rational Zero Theorem to find all real zeros
x4 + 4x3 − 46x2 − 4x + 45 = 0
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Precalculus Math Algebra 1 Algebra 2

10/01/23

Use the Rational Zero Theorem to find all real zeros
2x4 − 5x3 − 6x2 + 20x − 8 = 0
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Precalculus Math Algebra 1 Algebra 2

10/01/23

Find all complex solutions (real and non-real)
x3 + 12x2 + 46x + 60 = 0
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Precalculus Math Algebra 1 Algebra 2

10/01/23

Use the Factor Theorem to find all real zeros for the given polynomial function and one factor
f(x) = 2x3 − 15x2 + 31x − 18;    x − 1
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09/29/23

HELP PLEASE URGENTT!!! liz is shopping for a live stream service so she can binge watch a new drama series during her free time....
Liz is shopping for a live-streaming service so she can binge watch a new drama series during her free time. She sees that the livestreaming service offers a couple of plans for new customers to... more
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Precalculus

09/29/23

Find an​ nth-degree polynomial function with real coefficients satisfying the given conditions.

n=​3; −2 and 7+5i are​ zeros;
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Precalculus Calculus

09/27/23

Find dy/dx or y' by implicit differentiation. Write the solution of each answers
Find dy/dx or y' by implicit differentiation. Write the solution of each answers1. x³y³ = 3xyAnswer: (y-x²y³)/(x³y²-x)2. xy²+2y³+3xy =2x²+y³ +3y²Answer: (4x-y²-3y)/(2xy+3y²+3x-6y)
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09/27/23

Short Answer Question Show work please

Billy walks around a square city block. On the first side his speed is 1 mph, on the second side his speed is 2 mph, on the third side his speed is 3 mph, and on the fourth side his speed is 4 mph.... more
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Precalculus Calculus

09/27/23

Sketch the graph of the following function and determine its domain and range.
1. f(x)= x² - 81/ x+92. f(x)=√9-x²3. f(x) = {x² -1 if x<3 at x= 3 {x+5 3≥x
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Precalculus Calculus

09/27/23

Find dy/dx or y' by implicit differentiation. Write the solution of each answers

1. x³y³ = 3xyAnswer: (y-x²y³)/(x³y²-x)2. x²+2y³+3xy =2x²+y³ +3y²Answer: (4x-y²-3y)/(2xy+3y²+3x-6y)
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Precalculus Calculus

09/27/23

Determine the first and second derivative given the following functions. write the solution of each answers
1. y= 1/xAnswer: -1/x² , 2/x³2. y = 1/x (x² - 3x)²Answer: 3x²-12x+9, 6x-12
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Precalculus Calculus

09/27/23

Differentiate the following function by applying the theorems. Write the solution of this answers
1. f(x)=(2 - x³)(-10x + 5)Answer: 40x³ -15x² -202. y= (x³-2x)/(x²+1)Answer: x⁴ + 5x² -2/(x²+1)²3. y = (5/x - 1)³Answer: - 375/(x-1)⁴4. If f(x)=4x² and g(x)=3x² +1find (f o g)(x)Answer: 48x(3x²+1)
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Precalculus Calculus

09/27/23

Sketch the graph of the following function and determine its domain and range.
1. f(x)= x² - 81/ x+92. f(x)=√9-x²3. f(x) = {x² -1 if x<3 at x= 3 {x+5 3≥x
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Precalculus Calculus

09/27/23

10.lim h-->0 (x+h)²-x²/ h h-->0
1. lim (x+h)²-x²/ h h-->0
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Precalculus Calculus

09/27/23

Find the derivative of the following using the definition of derivative. Write the solution of this answer. Use Limits of Delta X approaching zero
3. y = √xAnswer: 1/2√x4. f(x) = 1/3xAnswer: -1/3x²
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Precalculus

09/27/23

Precalculus question
A graphic designer wants to create a rectangular graphic that has a 2 -inch margin on each side and a 4-inch margin on the top and the bottom. The design, including the margins, should have an... more
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Precalculus Math Algebra 1 Algebra 2

09/26/23

Helpp!! Urgent Mid term practice, i need verification. ASAP
PLEASE HELP OUT!! I really need to confirm my answers. I would really appreciate it1) Solve. Answer in interval notation, restricting your attention to −𝜋 ≤ x ≤ 𝜋.sin2(x) < 1/2I got (0, 𝜋/2) U... more
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Precalculus

09/25/23

Can You Guys Explain This?
To lift heavy objects with a motor people sometimes use a system that reduces angular speed but increases torque, like the one shown below. The motor spins a small rotor, r1, which is connected by... more
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Precalculus Calculus Trigonometry

09/25/23

The area of a sector of a circle with a central angle of 120° is 68 m2.  Find the radius of the circle.
The area of a sector of a circle with a central angle of 120° is 68 m2. Find the radius of the circle. (Round your answer to one decimal place.) m
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Precalculus Calculus Trigonometry

09/25/23

Find the length s of the arc that subtends a central angle of measure 40° in a circle of radius 17 m.
Find the length s of the arc that subtends a central angle of measure 40° in a circle of radius 17 m. (Round your answer to two decimal places.)s =  m
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