Solve for x.3-x = 
A. x = 4
B. x = 
C. x = -4
D. x = 
Answer: A
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Completely factor the polynomial or state that the polynomial is prime.49x2 - 126x + 81
A. (7x + 9)(7x - 9) B. (7x + 9)2 C. (7x - 9)2 D. (7x - 10)2
Find the x-intercepts (if any) for the graph of the quadratic function.f(x) = x2 + 16x + 47 Give your answers in exact form.
A. (-16 ± 
, 0)
B. (8 ± 
, 0)
C. (-8 ± 
, 0)
D. (8 + 
, 0)
Solve the problem.
The graph of y = f(x) depicts the amount of cash y in dollars that a bank teller has at his station after x minutes. (i) Determine the initial and final amounts of cash at the teller station. (ii) How many deposits occurred during this time period?
A. $350, $225; 1 B. $400, $200; 1 C. $400, $200; 2 D. $400, $150; 0
Solve the equation using the table of values.Use the table of solutions for y = 3x2 - 18x + 6 to solve 3x2 - 18x + 6 = -21
A. -3 B. 21 C. 3 D. -21