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Mathematics 8 Online
OpenStudy (anonymous):

~I will give a medal~ Use the functions a(x) = 3x + 10 and b(x) = 2x − 8 to complete the function operations listed below. Part A: Find (a + b)(x). Show your work. (3 points) Part B: Find (a ⋅ b)(x). Show your work. (3 points) Part C: Find a[b(x)]. Show your work. (4 points) Please answer ASAP!

OpenStudy (anonymous):

replace a and b with the function and solve

OpenStudy (anonymous):

Oh, okay, thanks!

OpenStudy (anonymous):

Wait, I'm still having trouble with C. I don't know what these symbols are in the problem: [ ]

OpenStudy (anonymous):

@Austin6i6

OpenStudy (anonymous):

@campbell_st

OpenStudy (campbell_st):

so for C replace x in a(x) with 2x - 8 so a(b(x)) = 3(2x - 8) + 10 now simplify

OpenStudy (anonymous):

Oh, okay, thanks! Also, sorry for dragging you in here randomly.. I just saw that you had an awesome score so I figured you'd be able to help.

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