Identify the given number as "Rational", "Irrational", or "Not a real number". If the number is rational, give its exact value. If the number is irrational, give a decimal approximation to the nearest thousandth.
A. Irrational, 24.500
B. Rational, 24.500
C. Rational, 7
D. Not a real number
Answer: C
Mathematics
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Find the absolute extreme values of the function on the interval.f(x) = tan x, - 
? x ? 
A. absolute maximum is 
at x = 
and - 
; no minimum value
B. absolute maximum is 
at x = 
; absolute minimum is -1 at x = - 
C. absolute maximum is -1 at x = 
; absolute minimum is 
at x = - 
D. absolute maximum is 
at x = 
; absolute minimum is -1 at x = - 
Mathematics
For the pair of functions, find the indicated composition.f(x) = 
, g(x) = 3x3Find (g ? f)(x).
A. 
B. 
C. 
D. 
Mathematics
Solve the equation. log5x = 3
A. {15} B. {125} C. {8} D. {243}
Mathematics
Subtract.10 - 11
A. -1 B. 21 C. -21 D. 1
Mathematics