Write in exponential notation. Do not evaluate.(-2)(-2)(-2)(-2)
A. 8
B. (-2)2
C. (4)2
D. (-2)4
Answer: D
Mathematics
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Find the exact value of the expression if ? = 60°. Do not use a calculator.f(?) = sin ?Find 8f(?).
A. 4
B. - 
C. 4
D. - 
Mathematics
Without using a calculator, give the exact trigonometric function value with rational denominator.sin 
A. 
B. 
C. 
D. 
Mathematics
Solve the system by graphing. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. {(-7, 0)}
B. infinitely many solutions; {
y = -7} or {
y = 0}
C. {(0, -7)}
D. no solution; ?
Mathematics
A die is cast repeatedly until a 4 falls uppermost. Let the random variable X denote the number of times the die is cast. What are the values that X may assume?
What will be an ideal response?
Mathematics