For the function f(x)=4x-2, -1≤x≤6 which of the following statements is correct? 1.The domain is...
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Transcript of For the function f(x)=4x-2, -1≤x≤6 which of the following statements is correct? 1.The domain is...
For the function f(x)=4x-2, -1≤x≤6which of the following statements is
correct?
1 2 3
0% 0%0%
1. The domain is [-1,6] and the range is [-6,22]
2. The domain is [-6,22] and the range is [-1,6]
3. Neither of the above
Which of the following functions has its domain identical with its
range?
1 2 3 4
0% 0%0%0%
2)( xxf 1.
xxf )(2.
xxf )(3.
xxf )(4.
The graph below represents which of the following?
1 2 3 4
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1. A one-to-one function
2. A one-to-many function
3. A many-to-one function
4. A many-to-many function
Which of the following graphs shows a discontinuous function?
1 2 3
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1.
2.
3.
Is the function on [0,5] continuous?
Yes N
o
Don’t
Know
0% 0%0%
4
1)(
xxf
1. Yes
2. No
3. Don’t Know
Is the following function continuous?
Yes N
o
Don’t
Know
0% 0%0%
2,4
2,2
4)(
2
x
xx
xxf
1. Yes
2. No
3. Don’t Know
If a function is even then f(-x)=f(x) for all values of x
Tru
e
Fal
se
Don’t
know
0% 0%0%
1. True
2. False
3. Don’t know
Which of the following graphs could represent an even function?
1 2 3
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1.
2.
3.
Calculate the distance between the points (1,3) and (6,2)
The graph shown below is best described as which of the following?
Quar
tic
Cubic
Quad
ratic
Lin
ear
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1. Quartic
2. Cubic
3. Quadratic
4. Linear
Which of the following lines have the same slope/gradient?
y =
3x
+ 2
3y
= 9x
+ 4
3y
= 2x
+ 6
2y
= 6x
+ 4
0% 0%0%0%
1. y = 4x + 2
2. 2y = 8x + 4
3. 3y = 2x + 6
4. 3y = 12x + 4
Put the following linear functions in order of increasing slope.
(A) y=2x (B) y=3(C) y=3x+9 (D) y=x/5 +102
ABCD
CADB
DCBA
BDAC
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1. ABCD
2. CADB
3. DCBA
4. BDAC
A line has gradient 1/3.If x increases by 4, how much will y
increase by?
The point (0,4) lies on a line with gradient -2. The equation of the line
is given by what?
y=2x
+4
y=4x
+2
y=4x
-2
y=-2
x+4
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1. y=2x+4
2. y=4x+2
3. y=4x-2
4. y=-2x+4
Two points (1,4) and (0,-2) lie on a straight line. Calculate the
y-intercept of the line
What is the equation of the line?
1. 1
2. 2
3. 3
4. 4
5. 5
3xy
32 xy
3xy
323 xy
13 xy
-4
-3
-2
-1
0
1
2
3
4
0 1 2 3 4 5 6 7
Series1
1 2 3 4 5
0% 0% 0%0%0%
John Goodband, Coventry University
1. 2. 3. 4. 5. Cannot tell from
the information given
6. None of the above
If a straight line passes through the points and . What is the
equation of the line?
1 2 3 4 5 6
0% 0% 0%0%0%0%
5,0 2,3
xy 55xy
xy 55 53 xy
John Goodband, Coventry University