f (x) = 3x - 10, find f (7)
3x - 10Substitute 7 for x3(7) - 10Multiply 7 by 321 - 10SubtractFinal Answer: F(x) = 11
f(x)=3x-10for f(7)replace x with 7f(7)=3(7)-10f(7)=21-10f(7)=11answer is 11 for sure
