Evaluate the integral.
d?
A. 
+ C
B. ln (1 + e3?) + C
C. 3 ln (1 + e3?) + C
D. 
+ C
Answer: D
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Use the ordinary annuity formula to determine the accumulated amount in the annuity. Round the answer to the nearest cent.$1700 is invested semiannually for 4 years at 4.3% compounded semiannually
A. $61,537.80 B. $14,668.61 C. $54,203.49 D. $31,665.24
National Welding Company uses industrial robots in some of its assembly-line operations. Management has determined that the lengths of time in hours between breakdowns are exponentially distributed with probability density function
?
?
What is the probability that a robot selected at random will break down between 500 and 800 hr of use? Round the answer to the nearest hundredth.
?
__________
?
What is the probability that a robot will break down after 1,100 hr of use? Round the answer to the nearest hundredth.
?
__________
What will be an ideal response?
Divide and simplify.Find the quotient of 10y3 + 5y - 15y2 and - 5y2.
A. 2y + 
+ 3
B. -2y - 
+ 3
C. -2y - 
+ 3
D. -2y3 - y + 3
Graph the function.f(x) = x2 + 3x - 2
A. 
B. 
C. 
D. 