Find an equation for the graph.
A. y = 5 cos 
B. y = -5 sin 
C. y = -5 sin (3x)
D. y = -5 sin 
Answer: B
Mathematics
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Find the derivative of y.y = sinh2 7x
A. 2 cosh 7x B. 14 cosh 7x C. 14 sinh 7x cosh 7x D. 2 sinh 7x cosh 7x
Mathematics
Translate to an equation, then solve.Twelve more than the product of two and x yields sixty.
A. 2x + 60 = 12, x = 24 B. 2x + 12 = 60, x = 24 C. 12x + 60 = 2, x = 36 D. 2x + 60 = 12, x = -24
Mathematics
Solve the radical equation, and check all proposed solutions.
= 
A. 
B. 
C. ?
D. 
Mathematics
Solve the problem.Determinants are used to show that three points lie on the same line (are collinear). If 
= 0,then the points (x1, y1), (x2, y2), and (x3, y3) are collinear. If the determinant does not equal 0, then the points are not collinear. Are the points 
, 
, and
collinear?
A. No B. Yes
Mathematics