15,303 Answered Questions for the topic precalculus

Precalculus Calculus Trigonometry

03/09/24

pre calc home work help
Outside temperature over a day can be modeled as a sinusoidal function. Suppose you know the high temperature of 70 degrees occurs at 3 PM and the average temperature for the day is 55 degrees.... more
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Precalculus Calculus Trigonometry

03/09/24

pre-calculus help

Outside temperature over a day can be modeled as a sinusoidal function. Suppose you know the temperature varies between 52 and 68 degrees during the day and the average daily temperature first... more
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Precalculus

03/06/24

Round your answer to 4 decimal places. sin 0.1331
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Precalculus

03/06/24

write each trigonometric expression as an algebraic expression calculator
cos(arccos(1/2) - arcsin(x))
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Precalculus

03/05/24

payment to tutor declined
My payment to my tutor was linked to an account that is no longer in service. I just updated credit card information. How do I get the invoice resubmitted? Don't want tutor to not get his money.... more
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Precalculus

03/05/24

Find the coefficient a of the term in the expansion of the binomial.
Find the coefficient a of the term in the expansion of the binomialBinomial (z4-t)11 Term az16 t7
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Precalculus

03/01/24

Application of Vectors
Suppose that a boat weighs 400pounds and is on a ramp inclined at​ 30°. Represent the force due to​ gravity, F​, using F=−400j as shown in the figure to the right.a. Write a unit vector along the... more
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Precalculus

03/01/24

Sinusoidal Ferris Wheel
The height of the axle is 20 meters tall. The diameter of the wheel is 30 meters wide. The wheel turns clockwise. a.... more
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Precalculus Calculus

02/27/24

Pls help! Calculus
If f(x) = (e ^ x + e ^ (- x))/2 with domain confined to the interval [0, infinity), find the derivative of the inverse function by using the formula (f ^ - 1)' * (x) = 1/(f' * (f ^ - 1 * (x)))
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02/27/24

help out :) calculus
Use the implicit differentiation method to find the equation of the line that is tangent to the curve e ^ (- (x ^ 2 + y)) = x + y + 1 at the point P(1, 1).
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02/27/24

calculus help urgent
I have this question I got the answer but I think I am wrong cause idk what it means by [0, infinity). If f(x) = (e ^ x + e ^ (- x))/2 with domain confined to the interval [0, infinity), find the... more
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02/27/24

helpppp! calculus
If f(x) = (e ^ x + e ^ (- x))/2 with domain confined to the interval [0, 0), find the derivative of the inverse function by using the formula (f ^ - 1)' * (x) = 1/(f' * (f ^ - 1 * (x)))
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Expert Answers •1

02/27/24

helpp!! :) Calculus
Find the equations of all lines that are tangent to the graph of the function f(x) = x ^ 2 + 1 and pass through the point P(1,0). Be careful: this point is not on the graph of f.
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Precalculus Math

02/26/24

Find the function of the form ​f(x)=ca^x that contains the two given graph points. (1,1) (2,8)
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02/26/24

helpppp! calculus
If f(x) = (e ^ x + e ^ (- x))/2 with domain confined to the interval [0, 0), find the derivative of the inverse function by using the formula (f ^ - 1)' * (x) = 1/(f' * (f ^ - 1 * (x)))
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Expert Answers •1

02/26/24

helpp!! :) Calculus
Find the equations of all lines that are tangent to the graph of the function f(x) = x ^ 2 + 1 and pass through the point P(1,0). Be careful: this point is not on the graph of f.
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Precalculus

02/25/24

Please help solve

9 ) Given: theta = arcsin(4/5) find the value of cos(theta) + sin(theta)
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Precalculus

02/24/24

Help me is the answer sec?
Which of the following is equivalent to sin(theta) * (tan(theta) + cot(theta))' ? A) (cos(theta) + 1)/(cos(theta) - 1); B)cos(theta)C)sin(theta)D) sec(theta)E)tan(theta) F)None of the above
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Precalculus

02/24/24

Help solve please

Which of the following is equivalent to 5cos^2 (theta) - 6sec^2 (theta) + 5sin^2 (theta) + 6tan^2 (theta) 11 6sec^2 (theta); 5tan(theta) None of the above
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Precalculus

02/23/24

Please help I’m thinking it’s F
Which of the following is a point that is on the graph of  ? Hint: Plug in the -coordinate and check if the -coordinate is equal to . For instance, the point  is ON the graph of  because ; the... more
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Precalculus

02/23/24

Please help solve this

Which of the following are two of the vertical asymptotes for the function f(x)=3tan(4x)-1?
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Precalculus

02/22/24

What is the domain of (Log(x))^5
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Precalculus

02/21/24

How do I solve for x? e^x - 6e^-x = 1.

I tried to factor it out and I did: e^x (1 - 6e^-2x) = 1 however I could not get an answer.
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Precalculus

02/21/24

True or False: The function y = sec(x) has a vertical asymptote at X = pi True False
True or False: The function y = sec(x) has a vertical asymptote at X = pi True False
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Precalculus

02/21/24

True or False: The function y = sin(x) has a vertical asymptote at x = pi / 2 . True False
True or False: The function y = sin(x) has a vertical asymptote at x = pi / 2 . True False
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