Per8 Definition of Derivative Review

Question 1

Describe the slope of the tangent line at x = -4

Accepted Answer

negative

Question 2

What do you want the unit 8 test to be worth?

Accepted Answer

100 pts, 50 pts

Question 3

At which x-value(s) is the derivative positive?

Accepted Answer

x = 1, -4

Question 4

Find the slope of the line tangent to f(x) = -1/(x + 6) at x = -4

Accepted Answer

1/4

Question 5

At which x-values is the slope of the tangent line equal to -4 of the function: f(x) = 1 - x2?

Accepted Answer

x = 2

Question 6

Find the derivative of f(x) = x3 + 7 when x = 4.

Accepted Answer

48

Question 7

Find the equation of the tangent line to f(x) = x2 - x at x = 2.

Accepted Answer

y = 3x - 4

Question 8

Find the equation of the tangent line to f(x) = 48/x at x = 2.

Accepted Answer

y = -12x + 48

Question 9

Find the derivative of 4x2 - 2.

Accepted Answer

8x

Question 10

Find the slope of the line tangent to f(x) = -10x2 + 8x at x = 9.

Accepted Answer

-172

Questions 10