Find the exact value of the expression.cos
A. 
B. 
C. 1
D. 
Answer: A
Mathematics
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Write the sentence as a proportion.2 diamonds is to 15 rubies as 10 diamonds is to 75 rubies.
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics
Form a polynomial f(x) with real coefficients having the given degree and zeros.Degree 3: zeros: 1 + i and -5
A. f(x) = x3 + x2 - 8x + 10 B. f(x) = x3 + 3x2 - 8x + 10 C. f(x) = x3 -5x2 - 8x - 12 D. f(x) = x3 + 3x2 + 10x - 8
Mathematics
Determine any local or absolute extrema as indicated.Estimate graphically the absolute extrema of 
A. Absolute maximum: 2.2; absolute minimum: -0.4 B. No absolute maximum; absolute minimum: 2.2 C. No absolute maximum; absolute minimum: -0.4 D. Absolute maximum: 2.2; no absolute minimum
Mathematics
Use a calculator to approximate to three decimal places.
A. 1.166 B. 1 C. 1.194 D. 1.179
Mathematics