What is the solution to the equation 9^(−3x) ≈ 7? a) x = 0.376 b) x = 0.295 c) x = −0.295 d) x = −0.376

x = −0.295

Step-by-step explanation:

Given :

To Find : value of x

Solution:

Taking log both sides

Using property:

So,

Thus Option c is correct.

Hence  x = −0.295

addition

step-by-step explanation:

whole numbers.

step-by-step explanation:

we are given the average monthly rainfall (in millimeters) model r(m) for the years 1900-2009 as a function of the month number m.

as we can see m is taken for the number of months for years 1900-2009.

we know that number of months can't be a negative number or decimal number or a fraction.

so, the number of months could be only positive whole numbers.

therefore, whole numbers is more appropriate for the domain of r.