Mark M.

Calculus

02/27/22

Find the slope and an equation of the tangent line to the graph of the function f at the specified point.

F(x)= - (5/2)x^2 + 5x +5and what is the slope and what is the Y equation

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Algebra 2

02/27/22

whats the range?

f(x)=|x-2|-7

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Math Linear Algebra

02/27/22

If the determinant of a 4×4 matrix A is det (A) = 2, and the matrix B is obtained from A by multiplying the second row by 9, then det (B) = ?

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Calculus Precalculus

02/26/22

Can you help me with this problem?

Estimate the following limit. .............

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Algebra 1

02/25/22

Which inequality represents all possible solutions of -3 (x + 5) > 12

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Linear Algebra

02/24/22

Suppose C is an upper triangular matrix where (1,1)-entry equals 0. What can you conclude about det(C)?

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Calculus

02/24/22

please help, I don't know what I am doing wrong

Verify that f has an inverse function. Then use the function f and the given real number a to find (f −1)'(a).f(x) = x3 − 5, a = 3

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Calculus

02/24/22

Verify that f has an inverse function.

Verify that f has an inverse function. Then use the function f and the given real number a to find (f −1)'(a). (Hint: See Example 1. If an answer does not exist, enter DNE.) f(x)... more

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Pre Calculus

02/24/22

can someone help me find the answer for this one

If cos(x)=35 (in Quadrant-I), findsin(2x)=

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Math Calculus

02/24/22

Integral of (dx/x*sqrt(36+x^2)) using hyperbolic functions

The final answer should not include hyperbolic functions

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Calculus

02/24/22

How do I find the derivative of this equation?

d/dx 1+x / √x

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Calculus

02/23/22

Let 𝑔(𝑥) g ( x ) be the inverse of 𝑓(𝑥)=𝑥^3+5𝑥+7 f ( x ) = x 3 + 5 x + 7 . Calculate 𝑔(13) and g’(13)

Let g(x) be the inverse of f(x)=x^3+5x+7. Calculate 𝑔(13) [ without finding a formula for 𝑔(𝑥)g(x) ] and then calculate 𝑔′(13) using the formula g’(x) = 1 /... more

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Precalculus

02/22/22

One to one functions

Determine if x2⁄(4x2+1)is a one to one function.Thanks in advance

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Precalculus

02/22/22

Find the equation of the tangent line to the curve y = e^2 when it is parallel to 2x - y = 7

i need help on this question, what are the steps?

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Math Trigonometry Algebra

02/21/22

Write the equation of a sine function that has the following characteristics. Amplitude: 6 Period: 3pi Phase Shift: 1/5

Amplitude: 5Period: 6piPhase Shift: 1/5I've tried entering the equation y = 6sin ((2/3)x - 1/15)), but my program says that the 1/15 is incorrect. Can someone help?Thanks so much in advance!

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Calculus

02/21/22

Find a power series for the function: f(x)=1/(2x-5)

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Calculus

02/21/22

(a) If h(x) = f(g(x)), find h'(1). (b) If H(x) = g(f(x)), find H'(1).

f(x) f(1)=3 f(2)=1 f(3)=7g(x) g(1)=2 g(2)=8 g(3)=2f'(x) f'(1)=4 f'(2)=5 f'(3)=7g'(x) g'(1)=6 g'(2)=7 g'(3)=9(a) If h(x) = f(g(x)), find h'(1).(b) If H(x) = g(f(x)), find H'(1).

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Trigonometry

02/20/22

Find the area of the sector shown below.

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Calculus Precalculus Limits

02/19/22

lim h -> 0 ((-3 + h)^2 - 9) / h

how do you get -1 instead of zero?

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Math Algebra 2

02/18/22

Could someone help me out on this?

The simple interest I (in dollars) for a savings account is jointly proportional to the product of the time t (in years) and the principal P (in dollars). After nine months, the interest on a... more

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Trigonometry

02/17/22