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If f(x) = cos(1-x2), then f'(x) =

What function has derivative π sec2(x) ?

Derivatives

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Questions 14

Answers

1
What function has derivative π sec²(x) ?
tan(πx)
π tan(x) + 38
π tan(x) + π
none of these
2
If f(x) = cos(1-x²), then f'(x) =
-sin(1-x2)
2x sin(1-x2)
-sin(-2x)
none of these
3
If f(x) = sin(x), then f'(x) =
cos(x)
none of these
1
sin(x)
4
If f(x) = 3^x, then f'(x) =
ln(3) 3x
none of these
3x
x 3x-1
5
If f(x) = tan(x), then f'(x) =
tan(x)
none of these
sec2(x)
sec(x)tan(x)
6
If f(x) = e^π, then f'(x) =
πeπ-1
0
eπ
none of these
7
What function has derivative -1/x²?
1/x
none of these
x-2
2/x
8
What function has derivative 3e^3x ?
e3x
9e3x-1
none of these
(1/3)e3x
9
What function has derivative 2x ?
x2
none of these
2x2
2
10
If f(x) = e^sec(x), then f'(x) =
sec2(x) esec(x)
esec(x)tan(x)
sec(x)tan(x)esec(x)
none of these
11
If f(x) = √(x), then f'(x) =
none of these
x1/2
1/√(x)
(1/2)x-1/2
12
What function has derivative 1/(1+x²) ?
none of these
arctan(x)
2x/(1+x2)
arcsin(x)
13
If f(x) = ln(4+x²), then f'(x) =
2x/(4+x2)
ln(2x)/(4+x2)
none of these
1/(4+x2)
14
If f(x) = 1/x, then f'(x) =
x-1
ln(x)
none of these
-1/x2