Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Factor completely. If the polynomial cannot be factored, write "prime."3x3 + 6x2y - 45xy2
A. 3x(x - 3y)(x + 5y) B. (3x2 + 9xy)(x - 5y) C. 3x(x + 3y)(x - 5y) D. (x - 3y)(3x2 + 15xy)
Mathematics
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 
Round k to the nearest
ten-thousandth, if necessary. A. a = 170; k = 373.5108 B. a = 170; k = 169.317 C. a = 170; k = 1.0808 D. a = 17; k = 1.0808
Mathematics
Multiply and write the result in standard form.-6i(-5 + 2i)2
A. -126 + 120i B. -126i C. -120i + 120i2 - 24i3 D. -120 - 126i
Mathematics
Use the horizontal line test to determine whether the function is one-to-one.
A. Yes B. No
Mathematics