Perform the indicated operation.

Question

g(t)= 4t-4

h(t)= 2t+1

find (g-h)(-9) 

Answer 1

(g-h)(-9) = g(-9) - h(-9)

 

To find g(-9), plug -9 into g(t) and find its value. Do the same for h(t), and then subtract!