SOLUTION: Please show me step by step how to find the functin values for the following function: f(x)=3x^2 +10x f(5) and f(a+1)

Algebra ->  Functions -> SOLUTION: Please show me step by step how to find the functin values for the following function: f(x)=3x^2 +10x f(5) and f(a+1)      Log On


   



Question 931020: Please show me step by step how to find the functin values for the following function: f(x)=3x^2 +10x
f(5) and f(a+1)

Answer by tommyt3rd(5050) About Me  (Show Source):
You can put this solution on YOUR website!
f(5)=3*5x^2 +10*5=75+50=125
f(a+1)=
3(a+1)^2 +10(a+1)=
3(a^2+2a+1)+10a+10=
3a^2+6a+3+10a+10=
3a^2+16a+13