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Alona [7]
3 years ago
12

Use f(x) = 1 - 4x + 1). Find f(-5)

Mathematics
2 answers:
Allushta [10]3 years ago
7 0

Answer:

-1/9 =x

Step-by-step explanation:

f(x) = 1-4x+1)

-5x=1-4x+1

-1______-1

-1 -5x=4x

+5___+5x

-1 = 9x

9    9x

-1/9=x  

steposvetlana [31]3 years ago
6 0
F(-5)=(1 - 4(-5) +1 )
=1+20+1
F(-5)=22
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How do I solve this??
coldgirl [10]

(g-h)(x) is a slightly more compact way of saying g(x)-h(x). So

(g-h)(x)=g(x)-h(x)=-x^3-2-4x

3 0
3 years ago
Write an expression in simplest form for the perimeter of each figure
Juli2301 [7.4K]
QUESTION 12

The given figure has five unequal sides.

The perimeter is the distance around the figure.

So we add all the lengths of the sides of the rectangle to get,

Perimeter = 5x + 4x + 2.8y + 2x + 2.2y

We regroup the like terms to obtain,

Perimeter = 5x + 4x +2x + 2.8y + 2.2y

This will simplify to give us,

Perimeter = 11x + 5.0y

Perimeter = 11x + 5y

QUESTION 13

The given figure has two pairs of sides that are equal in length and three unequal sides.

The perimeter can be found by adding all the lengths of the sides of the of the figure.

This will give us

Perimeter = 6b + 5a + 3b + 4 + 3a + 2b + 5a

We regroup like terms to obtain,

Perimeter = 6b + 2b+ + 3b + 5a + 5a +3a + 4 +

This finally simplifies to ,

.
Perimeter = 11b + 13a + 4 +

QUESTION 14

This plane figure has four sides that are equal to 4j and two sides that are equal to 2h.

We add all the lengths of the sides of the plane figure to get,

Perimeter =4j + 4j+ 4j+ 4j + 2h + 2h

This will simplify to give us,

Perimeter =16j + 4h
6 0
3 years ago
The sales tax rate in a certain state is 8%. How much would you pay in total for a taxable item that costs $25.25?
faust18 [17]
25.25x 0.08= 2.02 so answer is 2.02
6 0
3 years ago
Read 2 more answers
What can you tell about the mean of each distribution? Help plz for real!!
worty [1.4K]

Step-by-step explanation:

Mean=sum of observations/no. of observations

7 0
4 years ago
Pls help soon:)
Tanzania [10]
Correct answers are:
(1) <span>28, 141 known cases
(2) 79913.71 known cases after six weeks (round off according to the options given)
(3) After approx. 9 weeks (9.0142 in decimal)

Explanations:
(1) Put x = 0 in given equation
</span><span>y= 28, 141 (1.19)^x
</span><span>y= 28, 141 (1.19)^(0)
</span>y= 28, 141


(2) Put x = 6 in the given equation:
<span>y= 28, 141 (1.19)^x
</span><span>y= 28, 141 (1.19)^(6)
</span>y= 79913.71

(3) Since
y= 28, 141 (1.19)^x
And y = <span>135,000

</span>135,000 = 28, 141 (1.19)^x
135,000/28, 141 = (1.19)^x

taking "ln" on both sides:
ln(4.797) = ln(1.19)^x

ln(4.797) = xln(1.19)
x = 9.0142 (in weeks)

5 0
3 years ago
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