Answer:
x = 15
Step-by-step explanation:
f(x) = 4x² + 7x
= 4(-3)² + 7(-3)
= 36 + (-21)
= 15
Answer:
x=5
Step-by-step explanation:
2x-4=6
<em>2x=6+4</em>
<em>2x/2=10/2</em>
<em>x=5</em>
He messed up step 2 he added instead of multiplying
Answer: 4x54=216
Step-by-step explanation:
Well you don’t need to count in mr smiths math class because all the classes has 54 so um I did 4x54 hoped this helped :)
Answer:
Not a function
Step-by-step explanation:
There are two outputs (4 and 6) for one input x. If it were function, y(1) can only be one thing