Which graph represents the function f(x)=2·4^x?
1 answer:
Answer:
A (top left)
Step-by-step explanation:
Assuming that the dot is multiplying the numbers, we get the function:
First, lets knock off the obviously wrong answers.
Substitute 0 into the x spot, as anything to the power of zero is one.
Automatically, the two answers on the right are incorrect, as y is not equal to 1 when x is 0.
Next, lets substitute 1 into the x spot, as anything to the power of one is itself.
<u>As a result, the top left graph is correct, as y is equal to 8 when x is 1, unlike the bottom left graph.</u>
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Answer:
The total golf balls Jack has now in terms of expression is as below
Where a is total number of balls and b is number of balls in each bag.
Step-by-step explanation:
Solution:
let a be the total number of balls and b is the number of balls in each bag.
Number of bags is 3.
So total number of balls before the friend gave is
Now the friend has given him 6 more golf balls then the total number of balls will become 3b + 6.
Therefore, the required expression is