Find the exact value of the trigonometric function. Do not use a calculator or tables.cos 
A. 
B. - 
C. - 
D. - 
Answer: D
Mathematics
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Convert the decimal form numeral to a numeral in the base indicated.2874 to base 7
A. 11,2247 B. 11,4227 C. 11,2447 D. 11,4427
Mathematics
Determine what the next equation would be, and verify that it is indeed a true statement.70 - 9 = 61700 - 89 = 6117000 - 789 = 6211
A. 70,000 - 6789 = 63,211 B. 7000 - 6789 = 63,211 C. 700,000 - 6789 = 63,211 D. 70,000 - 6789 = 693,211
Mathematics
Simplify.If P(x) = 4x2 + 3, find P(0).
A. 3 B. - 3 C. 0 D. 7
Mathematics
Approximate the area under the curve and above the x-axis using n rectangles. Let the height of each rectangle be given by the value of the function at the right side of the rectangle.f(x) = e-x + 2 from x = -2 to x = 6; n = 4
A. 22.29 B. 16.02 C. 33.09 D. 18.31
Mathematics