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Yangming Academy SAT math chapter 1 Functions Flashcards | StudBud
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Yangming Academy SAT math chapter 1 Functions
Yangming Academy SAT math chapter 1 Functions
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Yangming Academy SAT math chapter 1 Functions, book The princeton review, level up
Flashcards
24 cards
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Answers
1
Easy 3: The function h is defined by the equation h(x)=12x, For what value of x does h(x)=96?
20
8
18
6
2
Easy 5: when x is 1, g(x)=2; when x is 2, g(x)=6; when x is 3, g(x)=10, which equation could define function g?
g(x)=2x-1
g(x)=5x-3
g(x)=4x-2
g(x)=3x-1
3
H3: For function f, each increase in the value of x by 1 increase the value of f(x) by 20%, which defines f if f(0)=25
f(x)=25(1.2)x
f(x)=0.2(25)x
f(x)=1.2(25)x
f(x)=25(0.2)x
4
Medium 1: Using h=3s+2, s is the students number, if there are 6 students, how many hours required?
30
14
20
18
5
M5: Point A (-4, 6) on the line of the fuction g(x)=0.5x+k, what is the value of k
0
10
4
8
6
M6: If f(x)=6x+2, what is the value of 3f(4)?
20
26
74
78
7
Easy 6: The function f is defined by f(x)=-45/x, For what value of x does f(x)=3?
15
3
-3
-15
8
M10: Given the function g(x)=2x and h(x)=x+4, what is the sum of g(5) and 2h(5)?
19
34
38
28
9
H5: for f(x)=ax+b, the points are on the line: (-3,0),(-2,-19),(-1,-38), what is the value of a/b ?
1/2
-1/2
1/3
-1/3
10
Easy 1: The function g is defined by g(x)=2x-3, what is the value of g(1)
1
2
-1
0
11
M11: In a certain competition, each error deducts 2% from the starting score. Which is true?
Increasing linear
Decreasing exponential
Increasing exponential
Decreasing linear
12
M8: The function h is defined by h(x)=(x+3)/(x
2
-3x-11), what is the value of h(-2)?
-1/13
-1
1
1/13
13
Medium 3: The quadratic function g is defined by g(x)=2x
2
-2, if g(a)=70,what is one possible value of a
18
-6
35
-8
14
Easy 2: If the function f is defined by f(x)=(4x-6)/3, what is the value of f(3)
12
1/2
0
2
15
Easy 4: g(x)=x
4
, the function g is defined by the given equation, what is the value of g(3)
64
12
7
81
16
Hard1: x and g(x) as (-2,8),(0,2), (2,-20), 4(,-58), which quadratic function defines g(x)?
g(x)=-4x2-11x+2
g(x)=2x2-2x+2
g(x)=-7x2-2x+2
g(x)=-2x2-7x+2
17
In a game, the first 10 moves take 3h each, and each additional move takes 2h, with m moves, m>=10, the time g(m) is?
g(m)=5m-20
g(m)=2m+10
g(m)=2m+3
g(m)=2m+30
18
Hard2: The quadratic function f is defined as f(x)=kx
2
-5x,where k is a constant. If f(2)=2,what is the value of f (3).
-10
8
18
12
19
M12: Function f is defined by f(x)=1-x
3
, which of the following gives four values of x and f(x)?
(-1,0), (0,1), (1,0),(2,-7)
(-1,0), (0,1), (1,0),(2,-9)
(-1,2), (0,0), (1,1),(2,-7)
(-1,2), (0,1), (1,0),(2,-7)
20
Medium 2: The function g is defined by g(x)=3
x-1
,which of the following is the value of g(1)
3
1
9
0
21
M7: The function g is defined by g(x) = (1/5)x
(-1/2)
, which of the following values of x is g(x)=2 ?
50
36
10
100
22
M9: Which equation defines linear function h if h(-2) =1 and h (0) = -5 ?
h(x)=-3x+1
h(x)=-x-5
h(x)=-2x-5
h(x)=-3x-5
23
H4: The exponent function g is defined by g(x)=12(2)
x
, and function h is defined by h(x)=g(x-1),what is the function h?
h(x)=-12(-2)x
h(x)=-12(2)x
h(x)=6(2)x
h(x)=(1/12)(1/2)x
24
The first time Deb ran 10-kilometer race in 96 min,the next 2 times she ran was 1/4 less than the previous race time.
Decreasing linear
increasing linear
Increaseing exponential
Decreasing exponential
