Just by comparing the plots of f(x) and g(x), it's clear that g(x) is just some positive scalar multiple of f(x), so that for some constant k, we have
g(x) = k • f(x) = kx² = (√k x)²
The plot of the transformed function g(x) = (√k x)² passes through the point (1, 4), which means
g(1) = (√k • 1)² = 4
and it follows that k = 4. So g(x) = 4x² = (2x)² and B is the correct choice.
This is geometry and you have to add the numbers from adding multiplying iron subtracting or dividing
Answer:
£ 2.38
Step-by-step explanation:
Cost of 2.5 kg potatoes = £ 1.40
Cost of 1 kg potatoes =
Cost of 4.25 kg potatoes =
= 1.40 * 1.7
= £ 2.38
Answer:
Step-by-step explanation:
Since Gloria cannot pay for each minute talked but for packages of 200 minutes at the rate of $25 each, we have to make calculations according to these conditions as follows:
Month 1:
Gloria talked on her cell phone for . So, she had to buy 2 packages of for each package.
Hence:
Month 2:
Gloria talked on her cell phone for . So, she had to buy again 2 packages of for each package.
Hence:
Month 3:
Gloria talked on her cell phone for . So, she had to buy 3 packages of for each package.
Hence:
Then, if we take the total Gloria had to pay for the frist three months, we have: