Find the product of the given complex number and its conjugate.2
A. 4
B. 2
C. 2
D. 2
Answer: A
Mathematics
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Find the intercepts of the function f(x).f(x) = 7x - x3
A. x-intercepts: 0, -7; y-intercept: 0
B. x-intercepts: 0, -7; y-intercept: 7
C. x-intercepts: 0, 
, -
; y-intercept: 7
D. x-intercepts: 0, 
, -
; y-intercept: 0
Mathematics
Use the distributive property to calculate the value mentally.9.71(12) - 9.71(2)
A. 97.1 B. 194.2 C. 38.84 D. 135.94
Mathematics
Solve the problem.A fossilized leaf contains 25% of its normal amount of carbon 14. How old is the fossil (to the nearest year)? Use 5600 years as the half-life of carbon 14.
A. 25,959 years old B. 34,818 years old C. 2320 years old D. 11,180 years old
Mathematics
Factor.(a + b)2 - 10(a + b) + 25
A. (a + b - 5)(a + b + 5) B. (a + b + 5)2 C. (a - b - 5)2 D. (a + b - 5)2
Mathematics