k(t) = 10t - 19

Question

k(-7)=

Answer 1

To find \( k(-7) \), we simply need to substitute \(-7\) into the function \( k(t) = 10t - 19 \):

\[ k(-7) = 10(-7) - 19 \]

Calculating this step-by-step:

1. Multiply \(10\) by \(-7\): \[ 10 \times -7 = -70 \]

2. Subtract \(19\) from \(-70\): \[ -70 - 19 = -89 \]

Therefore, the value of \( k(-7) \) is: \[ \boxed{-89} \]