Find the vertex of the graph of the function.f(x) = 4(x - 2)2 + 10
A. (2, 10)
B. (2, -10)
C. (-2, 10)
D. (-2, -10)
Answer: A
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Convert to a logarithmic equation.e-4 = t
A. ln (-4) = t B. log-4e = t C. ln t = -4 D. log-4t = e
Solve the inequality and graph. Express your answer in interval notation.-3(3x - 2) < -12x - 21
A. (-9, ?)
B. [-9, ?)
C. (-?, -9]
D. (-?, -9)
The following table shows the earnings for the Juarez family last year. Solve the problem.MonthEarningsMonthEarningsJan.$1400July$1300Feb.$1150Aug.$2450Mar.$2950Sept.$2500Apr.$2300Oct.$2000May$1650Nov.$2350June$2700Dec.$2400What was the family's total income for the year?
A. $24,000 B. $22,000 C. $23,750 D. $25,150
Factor completely. If the polynomial is prime, state this.3x4 - 30x3 + 63x2
A. x2(x - 3)(3x - 21) B. 3x2(x - 3)(x - 7) C. 3(x2 - 3)(x2 - 7) D. x2(3x - 9)(x - 7)