You just plug in the given value of x into the function equation. H(x)=18-(-6) which breaks down to 18+6. So the answer is 24.
84
Step-by-step explanation:
You turn 3 1/2 into a decimal which is 3.5. Then, you multiply the 3.5 by the 24 boards to get how many ft long all the boards together will be.
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