Solve the equation on the interval 0 ? ? < 2?.cos2 ? + 2 cos ? + 1 = 0
A. 
B. {2?}
C. 
D. {?}
Answer: D
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Tell what possible misuses or misinterpretations may exist for the following statement.Eighty-five percent of all knife accidents involve kitchen knives. Thus, kitchen knives are not as safe as other types of knives.
What will be an ideal response?
Solve the system by elimination. If the system is inconsistent or has dependent equations, say so. 8x + 6y = 30 3x - 3y = -15
A. Inconsistent: no solutions B. {(0, 6)} C. {(0, 5)} D. {(-1, 6)}
Determine whether the relation represents a function. If it is a function, state the domain and range.{(-3, 6), (2, 3), (3, -3), (8, -1)}
A. function domain: {6, 3, -3, -1} range: {-3, 2, 3, 8} B. function domain: {-3, 2, 3, 8} range: {6, 3, -3, -1} C. not a function
Write the decimal as a fraction or mixed number in lowest terms.-14.4962
A. -14
B. -1
C. -14
D. -1449