Question

F(x)= 3x^4-5x^2+x-23, find f(2)

Answer 1

F(2) means to plug in 2 where there is a x.
f(2) = 3*$2^{4}$-5$2^{2}$+2-23
f(2) = 48-20-21 = 7
f(2) = 7

Hope that helps