The answer is D.
You have to get x by itself so add 3 to 7 that equals 10. The signs stay the same so it’s D
Answer:
what grade are you??..........
So thing of that weird little circle as “of”
Thus: “g of h of x” or g(h(x)). First find h(x) by plugging x in for h and then plug whatever h(x) is in to g.
Ex. If h(x)= 4x + 2 And g(x)= 2x + 5,
g(h(x))= 2(4x + 2) + 5 = 8x + 4 + 5 = 8x + 9