Use a graphing calculator to sketch the graph of the quadratic equation, and then determine the x-intervals over which the graph is increasing and decreasing.y = x2 + x + 5
A. Increasing: (x < -0.5), Decreasing: (x > -0.5)
B. Increasing: (x < 0.5), Decreasing: (x > 0.5)
C. Increasing: (x > -0.5), Decreasing: (x < -0.5)
D. Increasing: (x > 0.5), Decreasing: (x < 0.5)
Answer: C
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Compute the discount and sale price. Round to the nearest cent.
A. Discount: $4.30, Sale Price: $43.50 B. Discount: $4.78, Sale Price: $43.02 C. Discount: $5.26, Sale Price: $42.54 D. Discount: $2.39, Sale Price: $45.41
Evaluate the exponential expression.(-3)-3
A. - 
B. - 1
C. 27
Solve the inequality and write the answer in interval notation.
?
What will be an ideal response?
Solve the problem.A triangle has a base of length x + 2 and a height of x + 8 and has an area of 36 square units. Find the length of base and height. (A = 
BH)
A. base = 8 units; height = 9 units B. base = 6 units; height = 6 units C. base = 4 units; height = 9 units D. base = 6 units; height = 12 units