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DIA [1.3K]
3 years ago
15

WHICH IS AND NOT A FUNCTION Please i need help its important

Mathematics
1 answer:
spayn [35]3 years ago
6 0
Graph 1: Not a function

Graph 2: A function

Graph 3: Not a function

Graph 4: Not a function

Graph 5: Not a function

Graph 6: A function



hope this helps,, have a nice day :))
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Sonya put $400 in a savings account for 3 years which pays 5% annual simple interest. The formula to determine the amount of int
Aleks04 [339]

Answer:

I snsmxxabrsgfbsseg

Step-by-step explanation:

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8 0
3 years ago
Graph the equation F(x)=(1/3)^x
scoray [572]

The value of a=9,b=3 and c=1

Step-by-step explanation:

The graph shown is for function f(x)

The given function is f(x)=(\frac{1}{3}) ^{x}

Table says,

X      Y

-2      a

1        b

0       c

1     (1/3)

2    (1/9)

To find value of a:

From table, for output value a, input value, x=(-2)

we can write f(-2)=a

Therefore,

f(x)=(\frac{1}{3}) ^{x}

f(-2)=(\frac{1}{3}) ^{(-2)}

a=(\frac{1}{3^{(-2)}})

a=3^{(2)}

a=9

To find value of b:

From table, for output value a, input value, x=(-1)

we can write f(-1)=b

Therefore,

f(x)=(\frac{1}{3}) ^{x}

f(-1)=(\frac{1}{3}) ^{(-1)}

b=(\frac{1}{3^{(-1)}})

b=3^{(1)}

b=3

To find value of c:

From table, for output value a, input value, x=(0)

we can write f(0)=c

Therefore,

f(x)=(\frac{1}{3}) ^{x}

f(0)=(\frac{1}{3}) ^{(0)}

c=(\frac{1}{3^{(0)}})

c=1

5 0
3 years ago
Help!!!!!!!!!!!!!!!!!!!!!!!!!
bezimeni [28]
X=(3^4) * (2^3)
x=(81)*(8)
x= 648
5 0
3 years ago
Read 2 more answers
1. Justin jogs 3 2/5miles every morning. He
monitta

Answer:

Justin jogs 8 miles every day.

Step-by-step explanation:

3 2/5 = 3 4/10

3 4/10 + 4 6/10 = 8

3 0
3 years ago
An icicle drips at a rate that can be represented by the function f(x) = −x2 + 8x − 7, where 0 ≤ x ≤ 10 and x is the number of h
mart [117]

Find when f(x) = 0. By factorizing, we have

-x² + 8x - 7 = - (x - 7) (x - 1) = 0

so either x - 7 = 0 or x - 1 = 0, or simply x = 1 or x = 7.

Split the domain into three intervals, and check the sign of f(x) over each interval at some test point in the interval. The sign will tell you when the icicle is dripping (positive) or not (negative).

• [0, 1) : at x = 0, we have f(0) = -7 < 0

• (1, 7) : at x = 2, we have f(2) = 5 > 0

• (7, 10] : at x = 8, we have f(8) = -7 < 0

This tells us that the icicle is not dripping when 0 ≤ x < 1, begins to drip when x = 1, drips for the duration of 1 < x < 7, stops dripping when x = 7, and keeps on not dripping when 7 < x ≤ 10.

3 0
2 years ago
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