SOLUTION: A poster is 15 inches longer than it is wide. Find a function that models its area A in terms of its width w.

Question 213390: A poster is 15 inches longer than it is wide. Find a function that models its area A in terms of its width w.
Found 2 solutions by RAY100, drj:
Answer by RAY100(1637) (Show Source): You can put this solution on YOUR website!
Area = Length * Width
.
but L= W +15,,,,,,,subst
.
A = (w+15) * (w)
.
A = w^2 + 15w
.
Answer by drj(1380) (Show Source): You can put this solution on YOUR website!
A poster is 15 inches longer than it is wide. Find a function that models its area A in terms of its width w.

Step 1. Length L is w+15.

Step 2. Area of Poster A is equal to length times width

ANSWER

I hope the above steps were helpful.

For FREE Step-By-Step videos in Introduction to Algebra, please visit http://www.FreedomUniversity.TV/courses/IntroAlgebra and for Trigonometry visit http://www.FreedomUniversity.TV/courses/Trigonometry.

Good luck in your studies!

Respectfully,
Dr J
RELATED QUESTIONS
A poster has a length 4 inches greather than its width w. Demetrius will place a frame 2... (answered by Earlsdon)
Given a rectangle that is 43 cm longer than it is wide. Express the perimeter (in cm) of... (answered by checkley77)
Given a rectangle that is 43 cm longer than it is wide. Express the perimeter (in cm) of... (answered by vleith)
the length of a poster is 10cm longer than its width. if the area of the poster is 1200cm (answered by TimothyLamb)
A rectangle is 5 inches longer than it is wide. Find the dimensions of the rectangle if... (answered by Alan3354,josgarithmetic)
A rectangular poster has an area of 190 inches squared the height of a poster is one inch (answered by JulietG)
The length of a rectangular poster is 2 times its width . The area of the poster is 648... (answered by TimothyLamb)
please help me with this problem a rectangle box has a square base. its height is... (answered by mananth)
Find a function f that models the area of a rectangle if the width of the rectangle is 5... (answered by solve_for_x)