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Math 12 Chapter 1
Functions & Limits
Test - 7
1.
If f(x) =
Ö
x & g(x) =
Ö
4-x
2
then (f/g) (x) at x =1 is given by
Ö
3.
a) True
b) False
2.
lim
x
®
0
sin 90
o
/90
o
= 1
a) True
b) False
3.
If f : x
®
x + 2 then f
-1
is y + 2.
a) False
b) True
4.
If f(x) = sin x + cos x then it is neither an even nor an odd function
a) True
b) False
5.
Volume of a cube can be expressed as the area of its base.
a) False
b) True
6.
Area of sector of a circle of radius r is 1/2 r
q
2
a) True
b) False
7.
The inverse of log e
x
= y is x = e
y
.
a) True
b) False
8.
The graph of y
2
= 4ax is symmetric about x-axis.
a) True
b) False
9.
Parametric equation of hyperbola is x = a sec
q
y = a tan
q
a) True
b) False
10.
If f(x) = 3x + 2 also f(x) = 17, then x = 5
a) True
b) False
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