If f(x)=3x+2 and g(x)=x^2+1, which value is equivalent to (f°g)(x)

Anabel uses 10 gallons of gas to drive 220 miles on the highway. if she travels at the same rate, how many miles can she drive on 7 gallons of gas

Will give brainliest if you answer question correct

Which polynomial function has x intercepts -1, 0, and 2 and passes through the point (1, -6)