Pg. 56 Homework

• Read Pg. 54Pg. 56 #32 – 39, 44 – 49

• #2, 4, 6 Graphs #8 1st is above• #10 Left 6 #12 Right 3• #14 S 4 #16 Right 5• #18 S 2, Down 3 #20 (1, 5); x = 1• #22 (3, -7); x = 3 #24 5, 2 ; 5x

1.5 Quadratic Functions and Geometric Transformations

Let f be the function given by the graph to the left.

• Determine the graph of:• y = f(x – 1)• y = -f(x)• y = f(x) + 2• y = -f(x + 1)• y = f(x – 2) + 1

1.5 Quadratic Functions and Geometric Transformations

If 200 ft. of fence is used to enclose a rectangular plot of land using an existing wall as one side of the plot, find the dimensions of the rectangle with maximum enclosed area.

1.5 Quadratic Functions and Geometric Transformations

A rectangle is 3 ft longer than it is wide. If each side is increased by 1 ft, the area of the new rectangle is 208 sq ft. Find the dimensions of the original rectangle.

1.5 Quadratic Functions and Geometric Transformations

Sally invests $20,000. She puts part of the money into an account that pays 4% annually, but she can withdraw from it without penalty, and she puts the rest into an account that pays 6% annually.– Write an equation that describes the total interest, I, Sally

receives at the end of 1 year in terms of the amount A invested at 6%.

– If Sally’s annual interest is $1086, how much of her original $20,000 did she invest at 6%?

1.5 Quadratic Functions and Geometric Transformations

A rectangular pool with dimensions 25 by 40 ft is surrounded by a walk with a uniform width. If the area of the walk is 504 sq ft, find the width of the walk.