Decide if the function is linear.y = 2x3 + 8
A. No
B. Yes
Answer: A
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Find the product. Write the answer in standard form.(
+ 7i)(
- 7i)
A. 5 + 49i B. 5 - 49i C. -2 D. 54
Solve the problem.A square wave is built up from sinusoidal curves of varying periods and amplitudes. Graph the following function, which can be used to approximate the square wave.f(x) = src="https://sciemce.com/media/4/ppg__tttt0529191135__f1q18g5.jpg" alt="" style="vertical-align: -17.0px;" />0 ? x ? 4 
0 ? x ? 4 
A better approximation to the square wave is given by f(x) = 
Graph this function and compare the result to the previous graph. Adding another term will improve the approximation even more. Write this new function with four terms.
What will be an ideal response?
Provide an appropriate response.What is always the last step when dividing a polynomial by a polynomial?
What will be an ideal response?
Determine if the given function y = f(x) is a solution of the accompanying differential equation.Differential equation: y' = e- 2x - 2yInitial condition: y(0) = 0Solution candidate: y = 2xe- 2x
A. No B. Yes