Simplify the expression. Assume that all variables are positive.
? 
A. -343
B. 7
C. 7
D. -7
Answer: D
Mathematics
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Find the inverse of the function.f(x) = 64x2, x ? 0
A. f-1(x) = -
B. f-1(x) = 
C. f-1(x) = - 
D. f-1(x) = 
Mathematics
Evaluate 
.g(x, y, z) = 6z; G: x + y + z = 1, 0 ? x? 4, 0 ? y ? 3
A. 216
B. -216
C. - 180
D. 360
Mathematics
Graph the equation. Include the coordinates of any local extreme points and inflection points.y = x
A. local minimum: 
local maximum: 
inflection point: (0, 0)
B. local minimum: 
local maximum: 
inflection point: (0, 0)
C. local maximum: (0, 
)
no inflection points.
D. local maximum: 
no inflection point.
Mathematics
Use the Consumer Price Index below to answer the question.
A meal in a restaurant cost $34 in 2000. What was its price in 1997 dollars? If necessary, round values to the nearest dollar.
A. $32 B. $30 C. $36 D. $31
Mathematics