f(1) = 5; f(n) = 5 ⋅ d(n − 1), n > 0
f(1) = 5; f(n) = 5 ⋅ d(n + 1), n > 0
f(1) = 5; f(n) = 5 + d(n − 1), n > 0
f(1) = 5; f(n) = 5 + d(n + 1), n > 0
Answer:
f(1) = 5; f(n) = 5 + d(n − 1), n > 0
Step-by-step explanation:
Given
f(1) = 5
f(2) = 10
Required
Determine f(n)
From the formulas in the option, we understand that the sequence is Arithmetic.
And will be determined using
f(n) = a + (n - 1)d
Where a = f(1) = 5
Substitute 5 for a,
f(n) = 5 + (n - 1)d
Or
f(n) = 5 + d(n - 1)
To test,
Take n = 2
d = f(2) - f(1) = 10 - 5 = 5
So, we have
f(n) = a + (n - 1)d
f(n) = 5 + (2 - 1) * 5
f(n) = 5 + 1 * 5
f(n) = 5 + 5
f(n) = 10
Hence,
Option B answers the question.
Answer:
The person who answered above meant to say that it was C not B.
Step-by-step explanation:
His answer was (1) = 5; f(n) = 5 + d(n − 1), n > 0 and this would have been c not b. B would have been f(1) = 5; f(n) = 5 ⋅ d(n + 1), n > 0 which is incorrect.
Plz dont report me i'm just trying to correct the answer above.
And i'm not doing this for points either. Just trying to help people fix their mistakes so that others don't mess up, that is all.
Answer:
1.4
Step-by-step explanation:
First Divide the cost and the amount of cookies so in this case 15 and 11 and you will get 1.4
Let x = 6. What is y?
Answer:
x+y = 8
If x = 6
6 + y = 8
y = 8-6
y = 2
Hope this helps!
Answer:
y = 2
Step-by-step explanation:
Subtract x from 8
8 - 6 = 2
Enter your answer in the box.
x = ?
The two little lines through the sides of AB and CB mean that they are the same length.
Because the two sides are the same length angle A and Angle C are also the same, so those are both 73 degrees.
The three inside angles of a triangle need to equal 180 degrees, so we know angle B would equal 180 - 73 - 73 = 34 degrees.
Now we can set the equation for angle B equal to 34 and solve for x.
6x+4 = 34
Subtract 4 from each side:
6x = 30
Divide both sides by 6:
x = 30/6
x = 5