Nonlinear Functions

SAT Math· difficulty 2/5

If f(x)=2x+1f(x) = 2x + 1 and g(x)=x2g(x) = x^2, what is f(g(3))f(g(3))?

  • A

    1313

  • B

    1919

    check_circle
  • C

    4949

  • D

    1010

Explanation

g(3)=9g(3) = 9, then f(9)=2(9)+1=19f(9) = 2(9) + 1 = 19.

Want 10 more like this — adaptive to your weak spots?

Related questions