Determine the number and type of solutions.7x2 + 8x = - 2
A. 1 real solution
B. 2 real solutions
C. 2 imaginary solutions
Answer: B
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Graph the system of inequalities.2x + 3y ? 6 x - y ? 3 x ? 1
A. 
B. 
C. 
D. 
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?
Evaluate the expression.
? 
+ 
? 
A. 
B. 
C. 
D. 
Find the absolute extrema if they exist as well as where they occur.f(x) = 1 - x - 36/x, x > 0
A. Absolute maximum of -11 at x = 6; no absolute minimum B. Absolute maximum of 13 at x = -6; absolute minimum of 1 at x = 0 C. Absolute maximum of -36 at x = 1; no absolute minimum D. Absolute minimum of -11 at x = 6; no absolute maximum