421 Words2 Pages

Week Five Assignment MAT222: Intermediate Algebra
Instructor: Charlie Williams
June 9, 2013
In this week’s assignment we are given to complete Composite and Inverse functions. The x’s and y’s interchange themselves when a function is inversed, otherwise the points are identical. The functions are plugged in for the x, in function composition. My assignment problem is given below. f(x)=2x+5 g(x)=x²-3 h(x)=(7-x)/3 Now I am going to calculate (f-h)(4). f(4) = 2*4 + 5 = 13 First I will plug in 4 for x and solve. h(4) = (7-4)/3 = 1
(f-h)(4)= f(4) -h(4)
(f-h)= 13 – 1 Now I take (f-h)
= 12

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