Use a calculator with a 
key or a 
key to solve the problem.Research suggests that the probability of a certain fuse malfunctioning increases exponentially as the concentration of an impurity in the fuse increases. The probability is modeled by the function y = 4(257,911)x, where x is the impurity concentration, and y, given as a percent, is the probability of the fuse malfunctioning. Find the probability of the fuse malfunctioning for an impurity concentration of 0.12. Round to the nearest percent.
A. 4%
B. 12%
C. 30%
D. 18%
Answer: D
Mathematics
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Evaluate the expression.3-2
A. -9
B. 9
C. 
D. 
Mathematics
Provide an appropriate response.Use your graphing calculator to graph the equation y = x3 - ex + x. Zoom in on the graph to approximate the roots of the equation. Use Newton's method to verify your results.
What will be an ideal response?
Mathematics
Use the factor theorem to decide whether or not the second polynomial is a factor of the first.7x4 + 22x3 - 3x2 + x + 4; x + 3
A. Yes B. No
Mathematics
Perform the indicated operation and simplify if possible.
- 
A. - 
B. 
C. 
D. - 
Mathematics