Does the mapping diagram represent a function? Why or why not? х
-7
-1
8
A. No; each input pairs with only one output.
B. No; the output value y = -4 pairs with two different input values.
C. Yes, each input pairs with only one output.
O D. No; the input values x = -7 and
x = -1 are paired with the same output value.

Brady has a 20 year fixed rate mortgage for $215,500 with monthly payments of 1,305.89.the annual interest rate is 4%. what is the total cost of the principal and interest for this loan rounded to the nearest dollar

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression

Samantha is growing a garden in her back yard. she spend $90 setting up the garden bed and buying the proper garden supplies. in addition, each seed she plants cost $0.25. a. write the function f(x) that represents samantha's total cost on her garden. b. explain what x represents. c. explain what f(x) represents. d. if samantha plants 55 seeds, how much did she spend in total?