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4 years ago

Use the graph below to fill in the blank with the correct number: F(-2)= _______

Mathematics

2 answers:

marin [14]4 years ago

8 0

Hello There!

Just look at the axis:
When x is -2, what is y?
As you can see on the graph it is 2
Therefore, your answer is :

F(-2) = 2

Hope This Helps You!
Good Luck :)

- Hannah ❤

Alex17521 [72]4 years ago

4 0

F(-2).....this is basically saying that when x = -2, what is y

so f(-2) = 2

because f(x) is the same as y...but when u have f(-2)....this is saying x = -2 and they are wanting to know what y is....and when x = -2, y = 2....so f(-2) = 2

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What is the first term of the geometric sequence whose fifth term is 1/24 and tenth term is 1/768

Neporo4naja [7]

An=a1r^(n-1)

given
a5=1/24
a10=1/768

we know that
a5=1/24=a1r^(5-1) and
a10=1/768=a1r^(10-1)

so
1/24=a1r^4
1/768=a1r^9

(a1r^9)/(a1r^4)=r^5=(1/768)/(1/24)=1/32

r^5=1/32
take 5th root of both sides
r=1/2

we have
a5=a1r^4=1/24
evaluate r^4 or (1/2)^4
1/16
a1(1/16)=1/24
times both sides by 16/1
a1=16/24
a1=2/3

the first term is 2/3

7 0

3 years ago

Solve this equation for x. Round your answer to the nearest hundredth. 0.77 = log x

Alekssandra [29.7K]

Answer:

x ≈ 5.89

General Formulas and Concepts:

Pre-Algebra

Equality Properties

Algebra II

Exponential to Logarithmic: $\displaystyle b^m=x \rightarrow log_bx=m$

Step-by-step explanation:

Step 1: Define

Identify

0.77 = log(x)

Step 2: Solve for x

[Equality Property] Raise both sides to the 10th power: $\displaysytle 10^{0.77} = 10^{logx}$
Simplify: $\displaysytle x = 10^{0.77}$
Evaluate: $\displaysytle x = 5.88844$

8 0

3 years ago

If d=8, find the value of 3d. _____

yan [13]

Answer:

Step-by-step explanation:

= 3 × 8

= 24

Hope it helps you:)

3 0

2 years ago

Read 2 more answers

Solve the simultaneous equations 4x-3y=19 and 2x+3y=23

kogti [31]

The answer is x=7 and y=3

6 0

3 years ago

Read 2 more answers

stiks02 [169]

Answer:

a. 10, 16

b. 211, 311

c. 10 , 12.5

d. -13, -22

Step-by-step explanation:

In an arithmetic sequence, there is a constant difference, which is the difference between a term and the previous term. We find the constant different for each sequence, and we add it to the second term to find the third term. Then we add the constant difference to the third term to find the fourth term.

4 - (-2) = 6

3rd term: 4 + 6 = 10

4th term: 10 + 6 = 16

111 - 11 = 100

3rd term: 111 + 100 = 211

4th term: 211 + 100 = 311

7.5 - 5 = 2.5

3rd term: 7.5 + 2.5 = 10

4th term: 10 + 2.5 = 12.5

-4 - 5 = -9

3rd term: -4 + (-9) = -13

4th term: -13 + (-9) = -22

4 0

3 years ago