How do I do this? Please explain it. Thank you.

Question

asked May 23, 2019 124k views

1 Answer

Leigh Mathieson · Answer 1 · 2019-05-28T03:55:13+0000

Answer:

slope = -
(14)/(3)

Explanation:

the slope of the secant line in the closed interval [a, b ] is

slope =
(f(b)-f(a))/(b-a)

here [a, b ] = [1, 4 ]

f(b) = f(4) = -
2^(4) + 5 = - 16 + 5 = - 11

f(a) = f(1) = -
2^(1) + 5 = - 2 + 5 = 3

slope =
(-11-3)/(4-1) =
(-14)/(3) = -
(14)/(3)