Which solution set is graphed on the number line? A number line going from negative 4 to positive 4. An open circle is at 1. Everything to the left is shaded.

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

Which expressions equal 9 when x=4 and y=1/3 a. x2+6y b. 2x + 3y c. y2-21x d. 5 (x/2) -3y e. 3x-9y

What is the effect on the graph of the function f(x) = x2 when f(x) is changed to f(x) − 4?