Use the Half-angle Formulas to find the exact value of the trigonometric function. cos 
A. 
B. - 
C. - 
D. 
Answer: D
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Rewrite the expression in terms of exponentials and simplify the results. ln (cosh 10x - sinh 10x)
A. -10x B. -10 C. ln (e10x - e-10x) D. -20x
Determine whether the relation is a function. Give domain and range of the relation.{(-2, 8), (0, 4), (4, 0), (6, -2)}
A. not a function; domain: {-2, 0, 4, 6}, range: {8, 4, 0, -2} B. function; domain: {-2, 0, 4, 6}, range: {8, 4, 0, -2} C. not a function; domain: {8, 4, 0, -2}, range: {-2, 0, 4, 6} D. function; domain: {8, 4, 0, -2}, range: {-2, 0, 4, 6}
Determine any local or absolute extrema as indicated.Determine graphically the local extrema of f(x) = -4x2/3 + 2.
A. Local maximum: 0; no local minimum B. No local maximum; local minimum: 2 C. Local maximum: 2; local minimum: -? D. Local maximum: 2; no local minimum
Determine whether the function is odd, even, or neither.
A. Odd B. Even C. Neither