MAT 251 Exam 1 Questions With Correct
Answers 2026-2027 A+ Graded
sin(x)' - CORRECT ANSWER -cos(x)
cos(x)' - CORRECT ANSWER --sin(x)
tan(x)' - CORRECT ANSWER -sec^2(x)
sec(x)' - CORRECT ANSWER -sec(x)tan(x)
cot(x)' - CORRECT ANSWER --csc^2(x)
csc(x)' - CORRECT ANSWER --csc(x)cot(x)
Average Rate of Change - CORRECT ANSWER -f(b)-f(a) / b-a
m Sqrt x^n - CORRECT ANSWER -x^ n/m
(sqrt x)' - CORRECT ANSWER -1/ 2 sqrt (x)
(1/x)' - CORRECT ANSWER --1/x^2
cos^2x+sin^2x=? - CORRECT ANSWER -cos^2x+sin^2x=1
sinx/ cos x=? - CORRECT ANSWER -sinx/ cos x= tan x
Answers 2026-2027 A+ Graded
sin(x)' - CORRECT ANSWER -cos(x)
cos(x)' - CORRECT ANSWER --sin(x)
tan(x)' - CORRECT ANSWER -sec^2(x)
sec(x)' - CORRECT ANSWER -sec(x)tan(x)
cot(x)' - CORRECT ANSWER --csc^2(x)
csc(x)' - CORRECT ANSWER --csc(x)cot(x)
Average Rate of Change - CORRECT ANSWER -f(b)-f(a) / b-a
m Sqrt x^n - CORRECT ANSWER -x^ n/m
(sqrt x)' - CORRECT ANSWER -1/ 2 sqrt (x)
(1/x)' - CORRECT ANSWER --1/x^2
cos^2x+sin^2x=? - CORRECT ANSWER -cos^2x+sin^2x=1
sinx/ cos x=? - CORRECT ANSWER -sinx/ cos x= tan x