the tangent line to y=f(x) at

Question

The tangent line to y=f(x) at (−8,−9) passes through the point (7,7). Compute the following.

a) f(-8)

b) f'(-8)

 

Answer 1

The line is tangent at (-8, -9), therefore f(-8) = -9

f'(-8) = slope between (-8, -9) and (7, 7) - that's Algebra 1 work.