Answer:
24
Step-by-step explanation:
f(x)=x^2+2x
Let x= 4
f(4)=4^2+2*4
= 16 + 8
= 24
The answer to the question
So you mean add 54+2.37? Well, I do know that the answer to 53+2.37= 2.90. I hope I helped, even if I only helped by an inch.
<span>y=1/3 x - 2
3y = x - 6
x - 3y = 6 ...this is standard form</span>
