Use the Laws of Exponents to simplify. Write the answer with positive exponents. All variables are nonzero.(9x-3y4)(9-1x8y-8)
A. 
B. - 
C. 
D. 
Answer: C
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Sketch the graph of the quadratic function. Identify the vertex and axis of symmetry.f(x) = (x + 3)2
A. vertex: (0, 3)
axis of symmetry: x = 0
B. vertex: (3, 0)
axis of symmetry: x = 3
C. vertex: (-3, 0)
axis of symmetry: x = -3
D. vertex: (0, 0)
axis of symmetry: x = 0
Use the graph of the polynomial function f(x) to solve f(x) = 0.
A. -2, 3 B. -2, 0, 3 C. -3, 2 D. -3, 0, 2
Solve.The rabbit population in a forest area grows at the rate of 4% monthly. If there are 280 rabbits in July, find how many rabbits (rounded to the nearest whole number) should be expected by next July. Use 
.
A. 363 B. 451 C. 464 D. 438
Approximate the area under the curve and above the x-axis using n rectangles. Let the height of each rectangle be given by the value of the function at the right side of the rectangle.f(x) = 2x2 + x + 3 from x = -2 to x = 1; n = 6
A. 11 B. 13 C. 7 D. 9