Use the definition of continuity to determine whether f is continuous at a.f(x) = 
a = -1
A. Continuous
B. Not continuous
Answer: A
Mathematics
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A set of data items is normally distributed with a mean of 500. Find the data item in this distribution that corresponds to the given z-score.z = 1.5, if the standard deviation is 10.
A. 550 B. 505 C. 510 D. 515
Mathematics
Solve for y or k, as appropriate.ex2e3x+3 = ek
A. x2 - 3x - 3 B. x2 + 3x + 3 C. ln (x2 + 3x + 3) D. 3x3 + 3x2
Mathematics
Fill in the blank with one of the words listed below.
The equation y = 7x - 5 is written in 
form.
A. slope-intercept B. standard C. slope D. point-slope
Mathematics
Find the equation of the hyperbola satisfying the given conditions.Vertices at (0, ±8); asymptotes y = ± 
x
A. -
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics