f(7) = -29
g(-5) = 105
Step-by-step explanation:
f(x) = -4x - 1
f(7) means x will be replaced with 7
f(7) = -4(7) - 1
f(7) = -28 - 1
f(7) = -29
g(x) = 4x² - x
g(-5) means x will be replaced with -5
g(-5) = 4(-5)² - (-5)
g(-5) = 4(25) + 5 = 100 + 5
g(-5) = 105