28. solve for x.
log 2(x + 3) + log 2(x - 3) = 4
select the correct choice below and, if necessary, fill in the answer box to complete your choice.
o
a. the solution(s) is/are x =
(type an integer or a simplified fraction. use a comma to separate answers as needed.)
b . the solution is not a real number
o
solve for x

The value of x is 5 , - 5

Step-by-step explanation:

Given as :

(x + 3) + (x - 3) = 4

Now, from log property

(x + 3) + (x - 3) =

So,  (x + 3) × (x - 3) =

Or,  x² - 9 = 16

or,  x² = 25

∴  x =

I.e x = 5

Hence the value of x is 5 , - 5  Answer

the inequality is:

250c+180g≥950

step-by-step explanation:

let c denotes the number of days in a week   miyoko worked as a cryptographer.

and g denotes the number of days in a week she works as a geologist.

now we are given that she earns $250 for every day she works as a cryptographer,and earns $180 for every day she works as a geologist.

now miyoko's goal is to earn more than $950 this week.

hence, the inequality could be represented as:

250c+180g≥950

the answer is d on edge

step-by-step explanation: