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What is the range of the function y = 4x + 3 for the domain 7 sxs

1 Answer

5 votes

The given function is


y=4x+3

The given domain is


7\leq x\leq10

To find the range associated with this domain, we just have to evaluate the function when x = 7 and x = 10.


\begin{gathered} y=4\cdot7+3=28+3=31 \\ y=4\cdot10+3=40+3=43 \end{gathered}

Hence, the range is D.


31\leq y\leq43

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