Find numbers a and b, or k, so that f is continuous at every point.
A. k = 42
B. k = 30
C. k = -6
D. Impossible
Answer: B
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Express the number in decimal notation.8.1 × 105
A. 81,000 B. 8,100,000 C. 405 D. 810,000
Graph the equation in a rectangular coordinate system.y = 7
A. 
B. 
C. 
D. 
Solve the problem.Stephen Rodrigues assembles and finishes wood products. He is paid $1.50 for a shelf, $0.90 for a picture frame, and $2.30 for a planter. One week he completed 41 shelves, 77 picture frames, and 37 planters. Find his gross earnings.
A. $215.90 B. $219.10 C. $243.10 D. $728.50
Solve the system of equations. If the system has no solution, say that it is inconsistent.
A. y = - 
x + 12, where x is any real number
or {(x, y) | y = - 
x + 12, where x is any real number}
B. x = 0, y = 12; (0, 12)
C. x = -1, y = 
; 
D. inconsistent