B. 30(3a+2b). This is because when distributing, you don't multiply anything unless there is an original multiplication sign. However, that is not the case in choices C and D. In answer choice A, 16 was not distributed to -4k.
Answer:
The answer top your question is: 1/2, 3/2, 5/2 and 7/2
Step-by-step explanation:
Data
4 consecutive numbers that add up to 8
First number = n
2nd number = n + 1
3rd number = n + 2
4th number = n + 3
Now, add them up n + n + 1 + n + 2 + n + 3 = 8
Simplify like terms
4n + 6 = 8
4n = 8 - 6
4n = 2
n = 2/4 = 1/2
First number = n = 1/2
2nd number = n + 1 = 1/2 + 1 = 3/2
3rd number = n + 2 = 1/2 + 2 = 5/2
4th number = n + 3 = 1/2 + 3 = 7/2
D. (9x40)-(9x25) because it's the amount of pink yarn minus the white to find out how much more was used
The average rate of change of the function over −2 ≤ x ≤ 2 is 1/2
<h3>How to determine the average rate of change?</h3>
The function is given as:
The interval is given as:
−2 ≤ x ≤ 2
Calculate h(2) and h(-2)
h(2) = -3
h(-2) = -5
The average rate of change is then calculated as:
This gives
Evaluate
m = 1/2
Hence, the average rate of change of the function over −2 ≤ x ≤ 2 is 1/2
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<u>Complete question</u>
What is the average rate of change of h over the interval −2 ≤ x ≤ 2
