Solve.
+ 
= -1
A. 0
B. 1
C. No solution
D. 
Answer: C
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Solve the problem.The polynomial 1 + 7x + 21x2 is used to approximate 
on the interval 
. Use the Remainder Estimation Theorem to estimate the maximum absolute error.
A. ? 2.061 x 10-5 B. ? 3.642 x 10-5 C. ? 3.642 x 10-4
Order the decimals from least to greatest.0.
, 0.
, 0.8
, 0.84
A. 0.
, 0.84
, 0.
, 0.8
B. 0.
, 0.
, 0.84
, 0.8
C. 0.8
, 0.
, 0.84
, 0.
D. 0.84
, 0.
, 0.
, 0.8
Find the x-intercepts of the polynomial function. State whether the graph crosses the x-axis, or touches the x-axis and turns around, at each intercept. f(x) = -x3(x + 1)2(x - 9)
A. 0, crosses the x-axis; -1, touches the x-axis and turns around; 9, crosses the x-axis B. 0, crosses the x-axis; 1, touches the x-axis and turns around; -9, crosses the x-axis C. 0, touches the x-axis and turns around; 1, crosses the x-axis; 9, crosses the x-axis D. 0, touches the x-axis and turns around; -1, touches the x-axis and turns around; 9, crosses the x-axis
Determine for what numbers, if any, the given function is discontinuous.f(x) = -3 cos x
A. -3 B. 1 C. 0 D. None