Answer:
-19
Step-by-step explanation:
f(7)= -4 * 7 + 9
-28+ 9= -19
-19 (circle F)
x = -4(7) + 9 // replace x with the f(7)
x = -28 + 9 // multiply -4 and 7, and add the 9 (which is -28)
x = -28 + 9 // finally, add them together
x = -19
