Why do you suppose that U. S. GDP is so much higher today than 50 to 100 years ago? HELP ASAP PLEASE

Which of these is not a function of shock absorbers?

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

Find an equation in standard form of the parabola that passes through (-2, 9), (-4, 5), and (1, 0)