Find the domain of the composite function f?g.f(x) = x2 - 25, g(x) = 2x + 3
A. [0, ?)
B. (-5, 5)
C. [5, ?)
D. (-?, ?)
Answer: D
Mathematics
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For the given function, find the rate of change.y = -700x + 6
A. - 6 B. 6 C. 700 D. -700
Mathematics
Determine the slope and y-intercept of the function.f(x) = 10x + 2
A. m = 10; b = -2 B. m = 10; b = 2 C. m = -10; b = 2 D. m = -10; b = -2
Mathematics
For the given function, find 
.2x2 + 5
A. 2h
B. 
C. 1
D. 4x + 2h
Mathematics
The scores of students on a standardized test form a normal distribution with a mean of 300 and a standard deviation of 40. What fraction of the students scored between 272 and 328?
What will be an ideal response?
Mathematics