I need help on an upcomeing test got thesewrong on a pre test. _________________

Question

I need help on an upcomeing test got thesewrong on a pre test. _______________________________________ If h(x) = 3x – 4, find each of thefollowing:
a) h(2)
b) h(a + 2)
__________________________________ If the graph of f contains the points (-1, 3), ( 0, 4) and ( 2, -7) list the points that would be found onthe graphs of each of the following functions:
a) f (x – 3)
b) f (x) + 3
_______________________________________ _____________________________________ _________________________________________ _______________________________________________

Explanation / Answer

if h(x) = 3x - 4 then a) h(2) = 3*2 - 4 = 6 - 4 = 2 b) h(a+2) = 3*(a+2) - 4 = 3a + 2 ----------------------------------- f(x-3) means to move all x value of points on f(x) to the right by3 units. since f contains (-1,3), (0, 4) and (2, -7), then f(x-3) should contain (3-1, 3) = (2, 3), (0+3, 4) = (3, 4),and (2+3, -7) = (5, -7) f(x) + 3 means to move all y value of points on f(x) up by 3units. so f(x) + 3 should contain (-1, 3+3) = (-1, 6), (0, 4+3) = (0, 7),and (2, -7+3) = (2, 4) ------------------------------------- I couldn't view your third question

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