Simplify the expression by combining any like terms.7x + 2 + 4x - 7
A. 3x - 5
B. 11x - 5
C. 6
D. 6x
Answer: B
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Graph the ellipse. Label the intercepts.4x2 + y2 - 100 = 0
A. (-10, 0), (10, 0), (0, -5), (0, 5)
B. (-5, 0), (5, 0), (0, -2), (0, 2)
C. (-5, 0), (5, 0), (0, -10), (0, 10)
D. (-2, 0), (2, 0), (0, -5), (0, 5)
Determine the least common denominator (LCD). 
and 
A. 7 B. 84 C. 12 D. 19
Sketch the graph of the function. Describe how the graph can be obtained from the graph of a basic exponential function.f(x) = 3x - 4
A. Shift y = 3x up 4 unit(s)
B. Shift y = 3x down 4 unit(s)
C. Shift y = 3x down 4 unit(s)
D. Shift y = 3x up 4 unit(s)
Estimate the result of the calculation. Use your estimate to determine if the result appears to be correct or incorrect.
A. Correct. Estimate: 300,000 B. Incorrect. Estimate: 600,000 C. Incorrect. Estimate: 400,000 D. Incorrect. Estimate: 500,000