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Engineering 10 Online
OpenStudy (anonymous):

@DanJS

OpenStudy (danjs):

k

OpenStudy (anonymous):

Just give me a sec to type it out, it's a graph thing.

OpenStudy (danjs):

k

OpenStudy (anonymous):

The following table shows the values of f(x) and g(x) for different values of x: x 1 2 3 4 5 f(x) 4 16 64 256 1,024 g(x) -1 -1 -1 -1 -1

OpenStudy (anonymous):

Which of the following best describes the function f(x) + g(x)? 4x - 1x -1(4x) 4x - 1 4x - 1

OpenStudy (danjs):

ok

OpenStudy (anonymous):

?

OpenStudy (danjs):

g(x) is a horizontal line, the value y=g(x) = -1 for any x value

OpenStudy (anonymous):

So which would it be?

OpenStudy (danjs):

are the 3rd and 4th answers the same?

OpenStudy (anonymous):

No. The third is 4 to the power of x -1 and the fourth is 4 to the x power - 1

OpenStudy (danjs):

oh

OpenStudy (danjs):

the answer will be in the form f(x) - 1 let me see if f(x) is linear or exponential

OpenStudy (anonymous):

ok

OpenStudy (danjs):

yeah from the table, f(x) = 4^x

OpenStudy (danjs):

so f(x) + g(x) = 4^(x) - 1

OpenStudy (danjs):

\[4^{x} -1\]

OpenStudy (anonymous):

Okay!

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