Multiply.(y - 0.8)2
A. 2y + 1.6
B. y2 + 1.6y - 0.64
C. y2 - 1.6y + 0.64
D. y2 + 0.64
Answer: C
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Solve the problem.A trough is to be made with an end of the dimensions shown. The length of the trough is to be 
long. Only the angle ? can be varied. What value of ? will maximize the trough's volume?
A. 5° B. 32° C. 30° D. 55°
Find one solution graphically and then find the remaining solutions using synthetic division.6x3 + 22x2 + 10x - 6 = 0
A. - 
, - 3, 
B. -1, 
, 3
C. 
, 
, - 3
D. -1, - 3, 
Find an equation for the graph.
A. y = -5 cos 
B. y = -5 cos (2x)
C. y = -5 sin 
D. y = -5 sin (2x)
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__vcvh0529192029__f1q33g4.jpg" alt="" style="vertical-align: 0.0px;" height="224" width="224" />
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.].