Plug 4 in for x.
2(4)^2 - 30
square first
2*16 - 30
now multiply
32 - 30
now subtract
f(4) = 2
The answer is 2!
Hope this helps!
If f(X) = 2X² - 30 find f(4)
f(4) = 2*4² - 30 = 2*16 - 30 = 32 - 30 = 2
ANSWER 3) f(4) = 2
[tex]\textbf{Spymore}[/tex]
