15,254 Answered Questions for the topic precalculus

Precalculus

10/04/22

Radian and Degree Measure
Find the area of the sector of a circle of radius 15⁢cm with a central angle of 3π4. Round the solution to two decimal places.
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Precalculus Algebra 1 Algebra 2

10/04/22

If 3^x-2=81 what is the value of 2^2x - 7
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Precalculus Math Algebra 1 Algebra 2

10/04/22

how many intergers between 299 and 501 are divisible by both 2 and 5
1.) 122.) 203.) 214.) 100
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Precalculus Calculus

10/04/22

precalculus help

A forester mixes gasoline and oil to make 2 gallons of mixture for a two-cycle chainsaw engine. This mixture is 32 parts gasoline and 1 part oil. How much gasoline must be added to bring the... more
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Precalculus Math Calculus Physics

10/04/22

A store generates Monday through Thursday sales of $150, $125, $75, and $180. What sales on Friday would give a weekday average of $155?
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10/03/22

A right triangle has one vertex on the graph of y=16-x^2, x>0, at (x,y), another at the origin, and the 3rd pn the positive x-axis t (x, 0). Express the area A of the triangle as a function of x.
help
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Precalculus

10/03/22

Determine the time necessary for P dollars to double when it is invested at interest rate r compounded annually, monthly, daily, and continuously. (Round your answers to two decimal places.)
r= 4.3%(a) annually(b) monthly(c) daily(d) continuously
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Precalculus

10/03/22

Composition of funtions
g(f(6)) if g(w) = 5w+w^2 and f(w) = -w+2
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Precalculus

10/03/22

Composition of funtions
g(f(6)) if g(w) = 5w+w^2 and f(w) = -w+2
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Precalculus

10/03/22

how to solve these questions
Find all the zeros of the following polynomial function, rewrite it in factored form, and then sketch its graph. 𝑔(𝑥)=2𝑥3 +5𝑥2 −32𝑥−80 Use the... more
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Precalculus

10/03/22

Constructing a Third degree polynomial
Third-degree, with zeros of -4, -1, and 3 and a y-intercept of -7
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Precalculus

10/03/22

Find a rational function
Hi, I am trying to find a rational function based on characteristics:vertical asymptote x=0horizontal asymptote y=0no slant x intercepts at 5/2y intercepts never crossno end behavior negative... more
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Precalculus

10/03/22

Linh has obtained scores of 84, 77, and 71 on her midterm algebra exams. If the final exam counts twice as much as a midterm, what score must she make on her final exam to get an average score of 80?
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Precalculus

10/03/22

Let f(x)= 12x^4-x^3
Let f(x)= 12x^4-x^3Use Algebra to determine if f(x) is even, odd, or neither:What type of symmetry does the graph f(x) have?:
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Precalculus

10/03/22

Given f ( x ) = x^2 , after performing the following transformations: shift upward 6 units and shift 79 units to the right, the new function g ( x ) =

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Precalculus Math

10/03/22

Linear Depreciation
A small business buys a computer for $2700. After 4 years the value of the computer is expected to be $200. For accounting purposes, the business uses linear depreciation to assess the value of the... more
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Precalculus Math

10/03/22

The midpoint of A B is at ( 3 , 3 ) . If A = ( − 8 , 7 ) , find B .
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10/02/22

need help with math problem asap
1.Find an equation of the tangent plane to the given surface at the specified point. z = 4x2 − y2 + 4y, (−2, 4, 16) my answer was z = -8x-4y but it's incorrect.2.Find an... more
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Precalculus

10/02/22

Solve single exponent

Let m(x) = x 16 , n(x) = x3, and p(x) = x4.(a) Write m(n(x)) as a function of x with a single exponent.(b) Write m(n(x)p(x)) as a function of x with a single exponent.(c) For what values of x is... more
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Precalculus Algebra 2

10/01/22

Write the function in the form f(x) = (x − k)q(x) + r(x) for the given value of k.
Write the function in the form f(x) = (x − k)q(x) + r(x) for the given value of k. Use a graphing utility to demonstrate that f(k) = r.Function = f(x) = x3 + 2x2 − 3x − 1k = -√3Findf(x) = ?¢
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Precalculus

10/01/22

A toy rocket is launched straight up

A toy rocket is launched straight up from the roof of a garage with an initial velocity of 104 feet per second. The height  of the rocket in feet, at  seconds after it was launched, is described by... more
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Precalculus

10/01/22

The length of a rectangular garden
The length of a rectangular garden is 8 feet longer than its width. If the garden's perimeter is 200 feet, what is the area of the garden in square feet?
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Precalculus Math Calculus

10/01/22

A box has 5 red balls and 10 blue balls numbered with “1”, 10 red balls and 15 blue numbered with 2. What is the probability that one will be chosen will be a red ball or numbered “1”?
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Precalculus

10/01/22

7.1 Radian and Degree Measure
Rachel just hopped on the edge of a merry-go-round. What are her linear and angular speeds if the diameter of the merry-go-round is 8 feet and it takes 9 seconds for it to make a complete... more
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Precalculus

10/01/22

Verify the identity algebraically.

Use the table feature of a graphing utility to check your result numerically. (Simplify at each step.) 6/tan(x) + 6/cot(x) = 6 tan(x) + 6 cot(x)
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