Simplify.(-3)2 + (-5)2 + 14
A. 78
B. -48
C. -78
D. 48
Answer: D
Mathematics
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Provide an appropriate response.The standard normal probability density function is defined by f(x) = e-x2/2. (a) Show that
dx =
.(b) Use the result in part (a) to show that the standard normal probability density function has mean 0.
What will be an ideal response?
Mathematics
Write the rate as a fraction in simplest form.434 miles in 49 hours
A.
B.
C.
D.
Mathematics
Find the requested composition of functions.Given f(x) = |18 - x| and g(x) = 3x + 2, find (f ? g)(x).
A. |16 + 3x| B. |16 - 3x| C. 3|18 - x| + 2 D. |20 - 3x|
Mathematics
Determine whether the inequality is true or false.5 + 2 ? 6 ? 5
A. True B. False
Mathematics