Determine whether the source of error represents random or systematic error.A survey is conducted on smoking amongst teenagers. When questioned by adults, teenagers tend to underreport how much they smoke.
A. Systematic error
B. Random error
Answer: A
Mathematics
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Find the equation of the normal line to the indicated curve at the given point.y = 4x - 2x2 at (-4, -48)
A. y = - 
x - 
B. y = 
x + 
C. y = 
x + 
D. y = - 
x - 
Mathematics
Solve the problem.A rectangular box with square base and no top is to have a volume of 32 ft3. What is the least amount of material required?
A. 36 ft2 B. 42 ft2 C. 48 ft2 D. 40 ft2
Mathematics
For the pair of functions, find the product (fg)(x).f(x) = 4x + 4, g(x) = -4x - 7
A. -14x2 + 44x - 28 B. -17x2 - 46x - 30 C. -16x2 - 44x - 28 D. 16x2 + 44x - 28
Mathematics
Write the percent as a simplified fraction or mixed number.375%
A. 7
B. 
C. 3
D. 37
Mathematics