Title: Secant_Lines_And_Tangent_Lines_Pre_BB_pool
Course: Calculus Videos Project Modules

Q: Suppose f'(a)> [Image: equation] for [Image: equation]>0. Which of the following could be the graph of f?
[Image: image]
- I only (Incorrect)
- II only (Incorrect)
- II and III only (Incorrect)
- I and IV only (Correct)
- III and IV only (Incorrect)
A: I and IV only

Q: The slope of the line tangent to the graph of y=f(x) at the input value x=7 is shown in the graph below. The slope of this tangent line is 1. [Image: image]
- The value of f(x) changes by 1. (Incorrect)
- The value of f(x) changes by 1 times 7. (Incorrect)
- The value of f(x) changes by 1 divided by 7. (Incorrect)
- The value of f(x) changes by 1 times dx. (Correct)
- The value of f(x) changes by 1 divided by dx. (Incorrect)
A: The value of f(x) changes by 1 times dx.