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:
yes
Step-by-step explanation:
2< 9(5) + 4
2 < 45 + 4
2 < 49
Instead i use pemdas so the answer to this problem would be 48