Express the number in scientific notation.0.0000004
A. 4 × 10-6
B. 4 × 10-8
C. 4 × 10-7
D. 4 × 10-9
Answer: C
Mathematics
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Graph the inequality.
? 2
A. 
B. 
C. 
D. 
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Find the expected value of the probability density function to the nearest hundredth.f(x) = 
- 
; [3, 4]
A. 8.28 B. 3.53 C. 3.75 D. 3.50
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What is the constant term in the polynomial below?
?
?
A. 2 B. -5 C. 5 D. 9 E. -9
Mathematics
Use implicit differentiation to find dy/dx and d2y/dx2.xy + 3 = y, at the point (4, -1)
A. 
= 
; 
= - 
B. 
= 3; 
= - 24
C. 
= - 
; 
= 0
D. 
= 
; 
= 
Mathematics