1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
zheka24 [161]
3 years ago
7

In an exponential function f(x)=a(b)^x it is known that f(5)=15 and f(7)=170. Which of the following is the closest to the value

of ;?
Mathematics
1 answer:
Usimov [2.4K]3 years ago
6 0

Complete question is;

In an exponential function, f(x) = a(b)^x, it is known that f(5) = 15 and f(7) = 170. which of the following is closest to the value of b?

Answer:

b = 3.37

Step-by-step explanation:

The function given is f(x) = a(b)^x,

Now, f(5) = 15, Thus;

15 = a(b)^(5)

Also, f(7) = 170

Thus; 170 = a(b)^(7)

From first equation, a = 15/(b)^(5))

Putting this in second equation;

170 = (15/(b)^(5))) × (b)^(7)

170 = 15b²

b² = 170/15

b² = 11.333

b = √11.333

b = 3.37

You might be interested in
What time is number 12? Please help
mezya [45]

Answer:

I say its number 2

Step-by-step explanation:

7 0
3 years ago
What is (5,1) reflected on the y axis
asambeis [7]

Answer:

(-5 , 1)

Step-by-step explanation:

If you are reflecting over the x-axis, you are changing the sign of the y.

If you are reflecting over the y-axis, you are changing the sign of the x.

In this case, you have the point (5 , 1). You are reflecting over the y-axis, which means that you are flipping the sign of the x value.

(5 , 1) reflected over the y-axis is (-5 , 1)

(-5 , 1)

~

3 0
3 years ago
Read 2 more answers
What is the area of this composite figure?
Gelneren [198K]

Answer:

249 centimeters squared

Step-by-step Explanation:

The area of the rectangle: l x w, where l is the length and w is the width.

= 15.5 x 18

= 279

Area of the smaller rectangle: l x w, where l is the length and w is the width.

= 4 x 7.5

= 30

We do not need this 30.

Area of the shaded region:

= 279 - 30

= 249 cm²

5 0
2 years ago
What is the area of this triangle?
Lana71 [14]

Remember

A=1/2 b x h



4 0
3 years ago
The table shows the steps for solving the given inequality for x.
slavikrds [6]

Given inequality -3(4-6x) < x+5.

We have -3 in front of Parenthesis.

That represents multiplication of -3 and Parenthesis.

The multiplication of Parenthesis could be done by applying distributive property.

On distributing, we get

-12+18x < x+5

x is added on right side of the inequality. The reverse operation of addition is subtraction. So we need to subtract x from both sides, we get

-12+18x-x < x-x+5

-12+17x < 5

Now, we need to get rid -12 from left side.

So, we need to apply addition property of equality, we need to add 12 on both sides, we get

-12+12+18x < x+5+12

17x < 17

We need to get rid 17 from left side. So we need to apply division property of equality.

On dividing both sides by 17, we get

17x/17 < 17/17

x<1.

8 0
3 years ago
Other questions:
  • 40 POINTS!!!!! LOOK AT ATTACHMENTS<br><br> AND NO BS ANSWERS EITHER JUST TO GET POINTS
    10·2 answers
  • Which equation is the inverse of y = 2x2 – 8?
    13·2 answers
  • The water level in a plastic pool changed by -8 gallons each hour due to small hole in the bottom after 6 hours the pool contain
    5·1 answer
  • If 7x+4=37, what is the value of 14x-1
    9·1 answer
  • Sharyn needs 3.5 yards of fabric to make a dress for herself and 2.25 yards of the same fabric to make a matching dress for her
    15·1 answer
  • In a shoe factory, 2.4% shoes made are defective. If the company made 10,000 shoes then the number of defective pieces are
    13·2 answers
  • A psychiatrist is interested in finding a 90% confidence interval for the tics per hour exhibited by children with Tourette synd
    11·1 answer
  • The x- coordinate is
    9·1 answer
  • Determine the slope of a function with the following two solutions:<br> (-1.5, 2) and (7.5, 5)
    7·2 answers
  • Please help me!!!
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!