Answer:
Hope this helped.
A brainliest is always appreciated.
2.54648
Step-by-step explanation:
f(3) = 71
f(x) = 10(x + 5) − 9
f(3) = 10(3 + 5) - 9
f(3) = 10(8) - 9
f(3) = 80 - 9
