Question

\[k(t) = 10t-19\]
\[k(-7)=\]
Evaluate functions

Answer 1

k(- 7) = - 89

Explanation:

to evaluate k(- 7) , substitute t = - 7 into k(t)

k(t) = 10t - 19 , then

k(-7) = 10(- 7) - 19 = - 70 - 19 = - 89