Find all solutions of the equation. Leave answers in trigonometric form.x3 + 8 = 0
A. {2 cis 180°, 2 cis 240°, 2 cis 240°}
B. {2 cis 180°, 2 cis 60°, 2 cis 300°}
C. {2 cis 180°, 2 cis 120°, 2 cis 240°}
D. {2 cis 180°, 2 cis 120°, 2 cis 300°}
Answer: B
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Graph the quadratic function using its properties. Based on the graph determine the domain and range of the quadratic function.f(x) = x2 + 6x + 8
A. domain: {x|-? < x < ?}
range: {y|y ? -1}
B. domain: {x|-? < x < ?}
range: {y|y ? 1}
C. domain: {x|-? < x < ?}
range: {y|y ? 1}
D. domain: {x|-? < x < ?}
range: {y|y ? -1}
Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 
C. 
D. 
Evaluate the expression. Write answer without exponents.(-14)0
A. -14 B. 1 C. 0 D. -1
Solve the problem.A cellular phone plan had the following schedule of charges:Basic service, including 100 minutes of calls$20.00 per month2nd 100 minutes of calls$0.075 per minuteAdditional minutes of calls$0.10 per minuteWhat is the charge for 200 minutes of calls in one month?What is the charge for 250 minutes of calls in one month?Construct a function that relates the monthly charge C for x minutes of calls.
What will be an ideal response?