Provide an appropriate response.Rewrite tan x and use the product rule to verify the derivative formula for tan x.
What will be an ideal response?
tan x = 
= sin x sec x
(tan x) = 
(sin x sec x) = sin x sec x tan x + sec x cos x = 
? tan x + 1 = 
= sec2 x
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Use the vertical line test to determine if y is a function of x.
A. Function B. Not a function
Solve the problem.If Gloria received a 6 percent raise and is now making $24,380 a year, what was her salary before the raise? Round to the nearest dollar if necessary.
A. $24,000 B. $22,917 C. $23,000 D. $22,380
Encode or decode the given message, as requested, numbering the letters of the alphabet 1 through 26 in their usual order.Use the coding matrix A = 
and its inverse A-1 = 
to decode the cryptogram 
.
A. CURB B. BEAD C. DARE D. CARE
Rationalize the numerator. Assume that all radicands represent positive real numbers.
A. 
B. 
C. 
D. 