A mapping is defined by x=2x.
1.what is the image of 3 under the mapping​

honesty mood

step-by-step explanation:

the answer is:

the correct option:

b.

to solve the problem, we need to remember how to operate to simplify exponential expressions using the logarithms.

we are given the equation:

then, using placing logarith with base 7 on both sides of the equation, we have:

so, rounding the obtained result to two decimal places (nearest hundreth), we have:

hence, we have that the correct option:

b.

have a nice day!

answer:

c) the x-coordinate of the center of the circle increases by 3

$119.20

step-by-step explanation:

$372.50 - 60% off is $149. $149-20% off is $119.20