Question 759086
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A is straightforward, just like you have it:  *[tex \LARGE y\ =\ A(x)\ =\ 10x]


But B is a piecewise function, thus:  *[tex \LARGE y\ =\ B(x)\ =\ \{300\ \text{if}\ x\ \leq\ 36\cr{300}\ +\ 10(x\ -\ 36)\ \text{if}\ x\ >\ 36]


And you need to answer the question: Which is larger *[tex \LARGE A(40)]  or *[tex \LARGE B(40)]?


Graph *[tex \LARGE y\ =\ 10x] from *[tex \LARGE x\ =\ 0] to *[tex \LARGE x\ =\ 42]


Graph *[tex \LARGE y\ =\ 300] from *[tex \LARGE x\ =\ 0] to *[tex \LARGE x\ =\ 36]


Graph *[tex \LARGE y\ =\ 300\ +\ 10(x\ -\ 36)] from *[tex \LARGE x\ =\ 36] to *[tex \LARGE x\ =\ 42]


Plot *[tex \LARGE A(40)] and *[tex \LARGE B(40)].


John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
<font face="Math1" size="+2">Egw to Beta kai to Sigma</font>
My calculator said it, I believe it, that settles it
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