Estimate the interval(s) on which the function is increasing and decreasing.f(x) = x4 - 12x2 + 35
A. decreasing on (-?, -2.45)?(0, 2.45);
increasing on (-2.45, 0)?(2.45, ?)
B. decreasing on (-?, -2.65)?(-2.24, 2.24)?(2.65, ?);
increasing on (-2.65, -2.24)?(2.24, 2.65)
C. decreasing on (-?, -2.45)?(2.45, ?);
increasing on (-2.45, 2.45)
D. increasing on (-?, -2.45)?(0, 2.45);
decreasing on (-2.45, 0)?(2.45, ?)
Answer: A
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A. 
B. 
?
C. 40?
D. 40
Write the decimal in words.2.171
A. two and one hundred seventy-one thousandths B. two and one hundred seventy-one hundredths C. two and one hundred seventy-one millionths D. two and one hundred seventy-one tenths
Solve and write interval notation for the solution set.?x? ? 16
A. [-16, 16] B. (-?, -16] C. (-?, -16] ? [16, ?) D. (-?, 16]
Simplify by using the order of operations.15 + 22 ? 26 + 16
A. 59 B. 426 C. 135 D. 510