Find a function whose graph matches the figure.
A. 4 sin 
B. 4 sin 
C. 4? sin 
D. 4 sin 
Answer: D
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Graph the polar equation.r = 6 - 7 cos ?
A. 
B. 
C. 
D. 
Graph the plane curve given by the parametric equations. Then find the equivalent rectangular equation.x = t3 + 1, y = t3 - 15; -2 ? t ? 2
A. y = - x2; -4 ? x ? 4
B. y = x - 16; -7 ? x ? 9
C. y = x3; -3 ? x ? 1
D. y = - x - 16; -7 ? x ? 9
Solve the problem.Two voltages, V1 = 80 sin(110?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 
A. a = 170; k = 1.0808 B. a = 170; k = 373.5108 C. a = 170; k = 169.317 D. a = 17; k = 1.0808
Provide an appropriate response.You are finding the partial fraction decomposition of the expression 
.You should ...
A. Use long division to divide the numerator by the denominator B. Solve the equation x2 - 7x + 12 = A(x - 7) + B(x - 6) + C(x + 7) C. Solve the equation x2 - 7x + 12 = A(x + 7) + B(x - 6) + C(x + 7) D. Solve the equation x2 - 7x + 12 = (Ax + B)(x2 - 13x + 42) + C(x + 7)