Work Shown:
f(x) = 5x^2 - x + 20
f(3) = 5(3)^2 - 3 + 20
f(3) = 5(9) - 3 + 20
f(3) = 45 - 3 + 20
f(3) = 42 + 20
f(3) = 62
Answer:
56.55
Step-by-step explanation:
use formula
hope this helps :)
