11/03/20

Solve for the exact solutions in the interval [ 0,2π ) .

 cos(2x)cos(x)−sin(2x)sin(x)=−√(3)/2
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11/02/20

Let h(x) = f(g(x)) where g(1) = 2,f′(2) = 5 and g′(1) = 6. Find h′(1).
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11/02/20

Calculus II Average Value of a Function
The average value of the function v(x)=8/x2 on the interval [1,c] is equal to 1.Find the value of c.
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10/31/20

Prove that 2^x+2^(x+1)=3 • 2^x
Prove that 22+2x+1=3•2x
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10/31/20

HELP! I cant understand how to find x and y intercepts on tables
x y -5 -32 -3 -18-1 -4 6 45 7 52
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10/30/20

3∣x−4∣=∣2x+5∣ Solve For Valid Answer Algebra 1 ASAP
Help. I need to find solution but I got x=17 and x=7/5
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10/30/20

Inequality. I got an 85 and 65 on two tests. What grade do I need on my third test to keep an average of 70? Is it 85 + 65 + x / 3
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10/28/20

Using a double-angle or half-angle formula to simplify the given expressions.
(a) If cos 2 ( 22 ∘ ) − sin 2 ( 22 ∘ ) = cos ( A ∘ ), thenA=________ degrees. (b) If cos2(4x)−sin2(4x)=cos(B),cos2(4x)-sin2(4x)=cos(B), then B=___________
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10/27/20

4 siblings split their inheritance in the ratio of 4:6:8:10. The inheritance is $420,000 how much money does each sibling receive for his share of the inheritance

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10/27/20

Prove the identity. tan(x+pi/4)=tan(x)+1/1-tan(x)
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10/26/20

Use half angle formulas to fill in the blanks in the identity below: (sin(3𝑥))^4 = ______ −1/2cos (____ 𝑥)+1/8cos(______ x )

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10/25/20

Line L is tangent to y=5x^2+8x and parallel to 12x+y=4. What is the y-intercept of line L?
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10/23/20

Calculus graphs Double Prime, PLEASE HELP ASAP!
Below is the graph of f '(x), the derivative of f(x), and has x-intercepts at x = -3, x = 1 and x = 2. There are horizontal tangents at x = -1.5 and x = 1.5. Which of the following statements is... more
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10/23/20

Three smallest positive solutions
Solve 4cos(2x)=3 for the smallest three positive solutions. Give your answers accurate to at least two decimal places, as a list separated by commas
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10/23/20

Two smallest positive solutions
Solve 8sin(5x)=4 for the two smallest positive solutions A and B, with A < B. Answers should be accurate to two decimal places
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10/23/20

circle trigonometry
Identify the point (x,y) on the unit circle the corresponds to t= -13pi/6
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10/23/20

Each of the following limits represents the derivative of a function 𝑓 at some value 𝑥 = 𝑎. State a formula for 𝑓 and the value of 𝑎.
𝑙𝑖𝑚 ℎ → 0 = (sin(𝜋(2+ℎ))−0)/ℎ
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10/23/20

y= 2x/ x^2 +1 Find an equation of the tangent line to the curve at (1,1)
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10/21/20

let f be a function such that f(1)=-2 and f(5)=7. which of the following conditions guarantees that f(c)=0 for some value c in the open interval (1,5)?
let f be a function such that f(1)=-2 and f(5)=7. which of the following conditions guarantees that f(c)=0 for some value c in the open interval (1,5)?a) f is increasing on the closed interval... more
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10/21/20

Find the missing arc.
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10/20/20

Evaluate the problem below
f(x)=3x-5 and g(x)=x^(2) find the (f∘g)(3) and (g∘f)(3)
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10/19/20

Solve for x ???
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10/19/20

What is the constant of proportionality in the equation y = 2 x y=2xy, equals, 2, x?
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10/19/20

Write cos 5˚ in terms of sine.
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10/19/20

If f(x) + x2[f(x)]5 = 34 and f(1) = 2, find f '(1).
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