Provide an appropriate response.If a1, a2, a3, a4, a5, . . . is a geometric sequence with common ratio r, show that a1, a4, a7, a10 is a geometric sequence.
What will be an ideal response?
Responses will vary. A correct response will show or state in some way that a1, a4, a7, a10 is a geometric sequence with a common ratio of r3 if a1, a2, a3, a4, a5, . . . is known to be a geometric sequence with a common ratio of r.
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Find the absolute extreme values of the function on the interval.f(x) = tan x, - 
? x ? 
A. absolute maximum is -1 at x = 
; absolute minimum is 
at x = - 
B. absolute maximum is 
at x = 
; absolute minimum is -1 at x = - 
C. absolute maximum is 
at x = 
and - 
; no minimum value
D. absolute maximum is 
at x = 
; absolute minimum is -1 at x = - 
Find all local extreme values of the given function and identify each as a local maximum, local minimum, or saddle point.
A. 
local minimum
B. 
saddle point; 
saddle point
C. 
local maximum; 
local minimum
D. 
local maximum
Use the graph of a known basic function and a horizontal stretch or horizontal compression to sketch the function.h(x) = 
A. 
B. 
C. 
D. 
Perform the indicated operation and write the answer in the form 
where a and b are real numbers.5i(2 - 8i)
A. 10i + 40i2 B. 10i - 40i2 C. 40 + 10i D. 10i - 40