Question

K (t) = 10t - 19
k(-7) =

Answer 1

`k (-7) = -89`

Explanation:

`k (t) = 10t - 19`

`k (-7) = 10(-7) - 19`

`k (-7) = -70 - 19`

`k (-7) = -89`

Answer 2

k(-7) = - 89

Explanation:

k (t) = 10t - 19

Let t = -7

k(-7) =10 * -7 - 19

=-70-19

-89