Simplify.
A. 
B. 
C. 
D. 
Answer: B
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Find an equation for the ellipse described.Center (0, 0); major axis horizontal with length 10; length of minor axis is 4
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Find the indicated function value.f(x) = 4x + 5, g(x) = -4x + 3Find (f + g)(-1).
A. 8 B. -6 C. 5 D. 4
Find the derivative of y with respect to x, t, or ?, as appropriate.y = x5ln x - 
x3
A. 5x4 - x2 B. x4 - x2 + 5x4ln x C. 6x4 - x2 D. x5ln x - x2 + 5x4
Solve the problem.Two voltages, V1 = 120 sin(220?t) and 
are added in a circuit to produce the sum 
Graph V in 
by 
and use the graph to estimate values for a and k so that 
Round k to the nearest ten-thousandth, if necessary.
A. a = 150; k = 444.7557 B. a = 150; k = 640.8999 C. a = 15; k = 0.6435 D. a = 150; k = 0.6435