Y=x²+7x+10
Which of the following lines, when plotted in the xy-plane, does not have any points of intersection with the parabola formed by the equation above?
The Answer= y=2x+1
Can you guys explain this question?

Vera is on her school's track and field team. in a practice long-jump competition against her teammates, she gets 5 points for landing over the farther line. she gets a total of 7 jumps and lands x times over the farther line and the rest of the times over the closer line. which of the following functions represents vera's total score? a. f(x)=10x b. f(x)=5x+35 c. f(x)=10x+5 d. f(x)=70-5x

All of the following are free tools to you prepare for the sat except

Explain how you might determine the rate of weathering on a sample rock