Which of the following functions has a maximum at x=3? select all that apply. a. f(x)= (x-3)^2 b. f(x)= (x-2)(4-x) c. f(x)= -x^2+6x-5 d. f(x)=1-(x-3)^2 e. f(x)= (x+3)^2-9 f. f(x)= x^2-4x+3

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg

Louise measured the perimeter of her rectangular scrapbook to be 154 cm. if the scrapbook is 45 cm wide, how long is the scrapbook?

1. a parachutist is 800 feet above the ground when she opens her parachute. she then falls at a constant rate of 5 feet per second. select the equation that represents this situation. h = -800t + 5 y = -5x + 800 h = 5t - 800 y = 800x + 5 i need