Please help: Find LaTeX: (f+g)(x)(f+g)(x) if LaTeX: f(x) = -2x+4f(x)=−2x+4 and LaTeX: g(x) = x^2-3x+5g(x)=x2−3x+5.

The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6

Find the solution(s) to x^2-14+49=0

Jonathan can throw a baseball 10 1/3 yards. his brother joey can throw a baseball 13 1/2 yards. how much father can joey throw the ball?