Let f(x)=x2+2x and g(x)=x−7. Evaluate the following: 1. (f∘g)(x) =
2. (g∘f)(x) =
3. (f∘f)(x) =
4. (g∘g)(x) =

If you could answer these your a life saver

Which of the following shows the length of the third side, in inches, of the triangle below

What is the next step in the given proof? choose the most logical approach. a. statement: m 1 + m 2 + 2(m 3) = 180° reason: angle addition b. statement: m 1 + m 3 = m 2 + m 3 reason: transitive property of equality c. statement: m 1 = m 2 reason: subtraction property of equality d. statement: m 1 + m 2 = m 2 + m 3 reason: substitution property of equality e. statement: 2(m 1) = m 2 + m 3 reason: substitution property of equality