If f(x)=2x+1 and g(x)=x^2-7, find (f+g)(x) a. x^2=2x-6 b. 2x^2-15 c. x^2+2x+8 d. 2x^3-6

In the past, professional baseball was played at the astrodome in houston, texas. the astrodome has a maximum height of 63.4 m. the height of a baseball t seconds after it is hit straight up in the air with a velocity of 45 ft/s is given by h = -9.8t2 + 45t + 1. will a baseball hit straight up with this velocity hit the roof of the astrodome? use the discriminant to explain your answer.

If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then

Daniel expanded the expression as shown below -2(-8x-4y+3/4)=-10x-8y-11/4 what errors did he make? check all that apply