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yarga [219]
3 years ago
13

Find the value of f(3) for the function. f(x) = -2(x + 5)

Mathematics
1 answer:
Alexandra [31]3 years ago
5 0

Answer:

f(3) = -16

Step-by-step explanation:

f(3) for f(x) = -2(x + 5)

f(3) = -2(3 + 5)

f(3) = -2(8)

f(3) = -16

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The temperature in a city was recorded over a ten-hour period. The graph below shows the relationship between the temperature an
harkovskaia [24]

Answer:

A

Step-by-step explanation:

From the graph, we can see that the <em>temperature increased initially</em>, then <em>started to decrease</em>. <u>All of these NOT in a constant rate, though</u>.

Roughly, the temperature was increasing from start till around 5.5 hours. Then on the temperature decreased.

So we can eliminate B, C, and D. That leaves us with correct answer as A.

5 0
3 years ago
What is the value of f?
laiz [17]

Answer:

f(1/2) = -2

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<u>Algebra I</u>

  • Function Notation

Step-by-step explanation:

<u>Step 1: Define</u>

f(x) = 8x - 6

f(1/2) is x = 1/2

<u>Step 2: Evaluate</u>

  1. Substitute in <em>x</em>:                    f(1/2) = 8(1/2) - 6
  2. Multiply:                               f(1/2) = 4 - 6
  3. Subtract:                              f(1/2) = -2
5 0
3 years ago
Solve 3[-x + (2 x + 1)] = x - 1.
Marrrta [24]

Answer:

x= -2

Step-by-step explanation:

-3x+6x+3=x-1

3x-x= -1-3

2x= -4

x= -2

6 0
4 years ago
Read 2 more answers
Which of the following describes a simple event ?
bija089 [108]
Its a because it should be 50 50 if u think whats 100/2 so that would be a simple event
6 0
4 years ago
You open a bank account with $100 and deposit 15 every week. Create an equation to model the total amount of money,y, in dollars
Charra [1.4K]

Answer:

Y = 15x+ 100

x = 10 months

Step-by-step explanation:

Given:

Initial deposit = $100

Weakly deposit = $15

Solution:

We need to create an equation where total amount is y is equal to initial deposit plus multiplication of weakly deposit and month x, so the equation is written as.

Y = 15x+ 100 ---------(1)

Where:

Y = Total amount

x = Number of months.

Second thing we need to find the month for y = $250

Now, we substitute y = 250 in equation 1.

250 = 15x+ 100

15x=250-100

15x =150

x=\frac{150}{15}

x = 10 months

Therefore, we need to required 10 months for $250.

4 0
3 years ago
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