Find the value of the polynomial at the given replacement values.x3 - 2x2 + 8x when x = 1
A. 7
B. -9
C. 11
D. 5
Answer: A
Mathematics
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Find the value of the variable that satisfies the equation.3x - 4 = 20
A. x = 10 B. x = 8 C. x = 21 D. x = 25
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Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Mathematics
Use your estimation skills to pick the most reasonable answer. Do not solve the problem.4136.235 - 32.9415
A. 41.032935 B. 4103.2935 C. 410.32935
Mathematics
Determine whether the equation represents direct, inverse, joint, or combined variation.y = 8x3
A. Direct B. Joint C. Combined D. Inverse
Mathematics