The function f(x) = 2x^2 + 3x + 5, when evaluated, gives a value of 19. what is the function’s input value?
a. 1
b. -1
c. 2
d. -2
e. -3

Really need on these. i have no idea what to do

The graph shows the charges for a health club in a month. make a function table for the input-output values. writes an equation that can be used to find the total charge y for the number of x classes

Jane moves from a house with 71 square feet of closet space to an apartment with 45.44 square feet of closet space. what is the percentage decrease of jane’s closet space?