Evaluate the expression without using a calculator.
128(-1/7)
A. -2
B. 128
C. -128
D. 
E. 
Answer: D
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Graph the function and analyze it for domain, range, continuity, increasing or decreasing behavior, asymptotes, and end behavior.f(x) = log3(x + 2)
What will be an ideal response?
Graph the function. Describe its position relative to the graph of the indicated basic function.f(x) = 1 - 5-x; relative to f(x) = 5x
A. Moved up 1 unit(s);
reflected across, y-axis;
reflected across x-axis;
B. Reflected across y-axis;
reflected across x-axis;
moved up 1 unit(s)
C. Reflected across y-axis;
reflected across x-axis;
moved down 1 unit(s)
D. Moved up 1 unit(s);
reflected across, y-axis;
reflected across x-axis;
Provide an appropriate response.The graph of the function y = f(x) = x2/3 is shown below. The "V"-shaped graph comes to a sharp point at src="https://sciemce.com/media/4/ppg__erfrasw0528192101__f1q51g4.jpg" alt="" style="vertical-align: 0.0px;" height="228" width="228" />
What will be an ideal response?
Without doing any calculations, decide whether the function has a tangent at 
Give reasons for your answer. [Hint: consider the signs of the tangent lines on either side of 
and what implication this has in terms of the limit definition of the slope of a tangent line.].
Solve the problem.The grade resistance F of a car traveling up or down a hill is modeled by the equation F = W sin ?, where W is the weight of the car and ? is the angle of the hill's grade (? > 0 for uphill travel, ? < 0 for downhill travel). What is the grade resistance (to the nearest pound) of a 1750-lb car on a level road (? = 0°)?
A. 0 lb B. undefined C. 1750 lb D. -1750 lb