Use a calculator to estimate the limit.
x4ex
A. ?
B. 0
C. 4
D. 1
Answer: B
Mathematics
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Perform the indicated operations.(x - 5)(-4x - 10)
A. -4x2 + 10x + 50 B. -4x2 + 50x + 10 C. -4x2 + 8x + 50 D. -4x2 + 10x + 10
Mathematics
Find the value of the exponential expression.162
A. 32 B. 512 C. 256 D. 18
Mathematics
Graph the system of inequalities.x + 2y ? 2 x - y ? 0
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The temperature at the South pole was 15° at 8 am. At 3 pm, it was -40°. By how many degrees did the temperature drop?
A. -55° B. 25° C. 55° D. -25°
Mathematics