Answer the question.How can the graph of f(x) = -7x2 + 1 be obtained from the graph of 
A. Stretch it vertically by a factor of 7, reflect it across the x-axis, and shift it 1 units upward.
B. Stretch it vertically by a factor of 7, reflect it across the y-axis, and shift it 1 units upward.
C. Stretch it horizontally by a factor of 1, reflect it across the x-axis, and shift it 7 units upward.
D. Stretch it horizontally by a factor of -7, reflect it across the x-axis, and shift it 1 units downward.
Answer: A
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Replace the polar equation with an equivalent Cartesian equation.r2 + 2r2 sin ? cos ? = 324
A. x2 + y2 = 324 B. x + y = 18 C. x + y = ±18 D. x2 + 3y2 = 324
Using the Law of Sines, find a if b = 4.8, c = 5.6, and C = 60ø.
a. a = 6.15 b. a = 4.79 c. a = 7.21 d. a = 5.62 e. a = 8.08
Write the fraction as a percent. Round to the nearest tenth of a percent if necessary.
A. 0.1% B. 10% C. 100% D. 1%
Write a quadratic equation in standard form with the given solution set.{-
, 
}
A. x2 + 2
x - 3 = 0
B. x2 + 3 = 0
C. x2 - 2
x + 3 = 0
D. x2 - 3 = 0