I can think of the problem description as a(n) (a) that tells me what to do to a starting value to get a final value. The starting value, or (b) , is the number of pounds. The final value, or (c) , is the total cost.
เลือกจากคำด้านล่าง
rule
input
output
2.
Fill in the table matching the rule that was described in the word problem.
a)
11
b)
3
c)
5
d)
7
e)
9
1
2
3
4
5
1)
2)
3)
4)
5)
3.
I know that a (a) is a rule where each input has exactly one output.
4.
The (a) of picking apples is a function of the (b)
เลือกจากคำด้านล่าง
weight (x)
total cost (y)
function
linear
5.
I can use the table to make a graph of the function. The graph shows that all the point lie on a(n) (a) . That means this is a(n) (b) function.
เลือกจากคำด้านล่าง
straight line
linear
nonlinear
curvy line
6.
Is the graph in the picture a linear or nonlinear function? How do you know?
a)
Linear; the graph does not form a straight line
b)
Linear; the graph forms a straight line
c)
Nonlinear; the graph does not form a straight line
d)
Nonlinear; the graph forms a straight line
7.
Is the graph in the picture a linear or nonlinear function? How do you know?
a)
Linear; the graph does not form a straight line
b)
Linear; the graph forms a straight line
c)
Nonlinear; the graph does not form a straight line
d)
Nonlinear; the graph forms a straight line
8.
Is the graph in the picture a linear or nonlinear function? How do you know?
a)
Linear; the graph does not form a straight line
b)
Linear; the graph forms a straight line
c)
Nonlinear; the graph does not form a straight line
d)
Nonlinear; the graph forms a straight line
9.
Is the graph in the picture a linear or nonlinear function? How do you know?
a)
Linear; the graph does not form a straight line
b)
Linear; the graph forms a straight line
c)
Nonlinear; the graph does not form a straight line
d)
Nonlinear; the graph forms a straight line
10.
Click the correct spots to graph the function with the values from the table
A
B
C
D
E
F
11.
Click the correct spots to graph the function with the values from the table
A
B
C
D
E
F
12.
Does the following equation represent a linear or nonlinear function?
y=23x+7
a)
Linear; the equation is in the form y=mx+b
b)
Nonlinear; the equation cannot be written in the form y=mx+b
13.
Does the following equation represent a linear or nonlinear function?
y=x3+2
a)
Linear; the equation is in the form y=mx+b
b)
Nonlinear; the equation cannot be written in the form y=mx+b
14.
Levi determined that y=2 is NOT a linear function because it does not take the form y=mx+b
Explain why Levi's reasoning is incorrect.
4 เส้น
15.
Levi determined that y=2 is NOT a linear function because it does not take the form y=mx+b
How else could Levi have determined whether the graph was linear or nonlinear?
4 เส้น
16.
Is this graph a function or not a function?
a)
Function
b)
Not a Function
17.
Is this set of ordered pairs a function or not a function?
a)
Function
b)
Not a Function
18.
Is this set of ordered pairs a function or not a function?
a)
Function
b)
Not a Function
19.
Which graph does NOT pass the vertical line test?
a)
Graph 1
b)
Graph 2
c)
Graph 3
d)
Graph 4
20.
Is the relation a function? Why.
a)
Yes, because the x-value 11 has two y-values pair with it.
b)
Yes, because each x-value has only one y-value paired with it.
c)
No, because the x-value 11 has two y-values pair with it.
d)
No, because each x-value has only one y-value paired with it.
แป้นคำตอบ
Function Basics
คำถามทั้งหมด: 20
1.
rule, input, output
2.
a
b
c
d
e
3.
function
4.
total cost (y), weight (x)
5.
straight line, linear
6.
c)
Nonlinear; the graph does not form a straight line
7.
b)
Linear; the graph forms a straight line
8.
b)
Linear; the graph forms a straight line
9.
c)
Nonlinear; the graph does not form a straight line
10.
11.
12.
a)
Linear; the equation is in the form y=mx+b
13.
b)
Nonlinear; the equation cannot be written in the form y=mx+b
14.
ไม่มี
15.
ไม่มี
16.
a) Function
17.
a) Function
18.
b) Not a Function
19.
a) Graph 1
20.
c) No, because the x-value 11 has two y-values pair with it.