Question

If f(x) = 3x^2 +1 and g(x) = 1-x, what is the value of (f-g)(2)

Answer 1

Answer:

14

Step-by-step explanation:

Let's find (f-g)(x)

$3x^{2} + 1 - (1-x)\\3x^{2} + 1 -1 + x\\3x^{2} + x$

Now let's plug in x=2, so to find (f-g)(2)

$3(2)^{2} + 2\\12 + 2 = 14$