Answer:10x^2 -18
Step-by-step explanation:since f(x) is becoming the new x then youd subtitute the equation into the x of the g(x) equation. which would be 5(2x^2 -5) +7 which is 10x^2 -25 +7.and you'd simplify from there.
Answer: The answer is of course, 3.
Step-by-step explanation:
Answer: x=2
Step-by-step explanation:
if u plug in the value of x=2 into the equation both sides equal -22/5
Answer:
I think it's the 3rd one but tell me if I'm wrong