Home Practice Exams Features Pricing Quick Start Guide About

Login Sign Up

Loading...

SAT Math Practice Question #30142 - SATify | SATify

#30142

expressions

modeling

word problem

squares

perimeter

area

functions

algebra

geometry

medium

60 sec

Square P has a side length of $x$ inches. Square Q has a perimeter that is 40 inches greater than the perimeter of square P. The function $f$ gives the area of square Q, in square inches. Which of the following defines $f$ ?

A.

$f (x) = (x + 10)^{2}$

B.

$f (x) = (x + 40)^{2}$

C.

$f (x) = (40 x + 10)^{2}$

D.

$f (x) = (40 x + 40)^{2}$