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klasskru [66]
3 years ago
10

Given f(x)=4x+5, evaluate f(4).

Mathematics
1 answer:
Sav [38]3 years ago
7 0

Answer:

21

Step-by-step explanation:

1. plug in 4 for F(x) making 4=x:

f(4)=4(4)+5

2. multiply 4 and 4:

f(4)=4(4) +5⇒f(4)=16+5

3. Add 16 and 5 to get your answer:

f(4)= 16+5⇒f(4)=21

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Put the steps in order. *
Readme [11.4K]

Answer:

The answer is 3 , 1 , 2 .

Step-by-step explanation:

I will give an example.

e.g.

x² + 3x + 2

Step 3 :

Set the equation equal to zero :

x² + 3x + 2 = 0

Step 1 :

Completely factor the equation :

x² + x + 2x + 2 = 0

x(x+1) + 2(x+1) = 0

(x+2)(x+1) = 0

Step 2 :

Set each factor equal zero and then solve for the variable :

(x+2)(x+1) = 0

x + 2 = 0

x = -2

x + 1 = 0

x = -1

4 0
3 years ago
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In-s [12.5K]

Ben is 97.5 inches tall.

Alex is 32.5 inches tall.

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3 years ago
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Compute the value of the discriminant and give the number of real solutions of the quadratic equation.
Sergio039 [100]
-2x^2+6x-3=0 \\ \\
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The value of the discriminant is 12.
Since the discriminant is greater than zero, the equation has two real solutions.
4 0
3 years ago
If an outfit consists of one shirt, one pair of jeans, and one pair of shoes, how many outfits can be made from five pairs of je
alexandr402 [8]

Answer:

2

Step-by-step explanation:

One outfit consists of one shirt, one pair of shoes, and one pair of jeans. In this problem, there are five jeans, six shirts, but only two pairs of shoes, which only makes two complete outfits.

6 0
3 years ago
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Softa [21]

answer

A .

Step-by-step explanation:

why cause she flipped it once than three more times and a shows four and 3 +1 = 4

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3 years ago
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