1. The slope of the tangent line to the curve at any point is a. \( 0 \) b. not the same throughout c. always positive d. always negative 5. A tangent line touches a curve at a. only one point b. many points c. two points d. true points 

a. \( 0 \) 

b. not the same throughout 

c. always positive 

d. always negative 

2. A tangent line touches a curve at 

a. only one point 

b. many points

c. two points  

d. true points