The first thing we are going to do for this case is to rewrite the function.
We have then:
y = 3 ^ (2x)
We evaluate the points:
For (1,9):
y = 3 ^ (2 * 1)
y = 3 ^ (2)
y = 9
The point belongs to the function.
For (1/2, 3):
y = 3 ^ (2 * (1/2))
y = 3 ^ (1)
y = 3
The point belongs to the function.
For (-1, -9):
y = 3 ^ (2 * (- 1))
y = 3 ^ (- 2)
y = 1/9
The point does NOT belong to the function.
Answer:
The point (-1, -9) DOES NOT belong to the function.
Answer: you will burn 900 calories.
Step-by-step explanation: If the function is linear, each hour burns 300 calories. 300 times 3 is 900. 900 is your answer.
Answer:
The final cost for him is;
Explanation:
Given that the ipod costs $220;
The store gives a 35% discount, which means he will only pay 65% of the original cost;
The store price is;
Also he will need to pay additional 8% sales tax on the discounted price P;
The final cost he need to pay is the sum of the discounted price and the sales tax;
Therefore, the final cost for him is;
Answer:
the exact form will be x = - , -
demical form is x=0.16148351....,-1.23851648
Step-by-step explanation: