Question

If f(x)=3x−4 and g(x)=x2, how do you find the value of f(3)−g(2)?

Answer 1

f(x)=3x-4

f(3)=3*3-4

f(3)=9-4=5

g(x)=x2

g(2)=2*2=4

f(3)-g(2)=5-4=1

Answer 2

f(x)=3x-4

f(3)=3×3-4=5

g(x)=x2

g(2)=2×2=4

f(x)-g(x)=5-4

=1

therefore 1 is the answer