Graph using a graphing calculator.r(x) = 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find the specified subset.The irrational numbers in the set 
A. 
B. 
C. 
D. 
Mathematics
Find the expected value.A new light bulb has been found to have a 0.02 probability of being defective. A shop owner receives 500 bulbs of this kind. How many of these bulbs are expected to be defective?
A. 20 B. 100 C. 10 D. 500
Mathematics
Evaluate the function.f(x) = 
x + 2, f(a - 1)
A. 
a - 2
B. 
C. 
D. 
a + 2
Mathematics
Solve the equation by the square root property.5x2 = 65
A. {-13, 13}
B. {14}
C. {32.5}
D. {-
, 
}
Mathematics