What function equation is represented by the graph? a. f(x)=4x+4 b. f(x)=4x+5 c. f(x)=3x+5 d. f(x)=3x+4

D. f(x)=3^x+4

Step-by-step explanation:

The graph crosses the y axis at 5 so the y intercept is 5

Anything to the zero power is 1

A. f(0)=4^0+4  = 1+4 =5

B. f(0)=4^0+5 =1+5 =6

C. f(0)=3^0+5 =1+5 =6

D. f(0)=3^0+4=1+5 =5

We can eliminate choices b and c

A. f(x)=4^x+4

D. f(x)=3^x+4

Let x = 2, y = is between 12 and 14

A. f(2)=4^2+4=16+4 =20

D. f(2)=3^2+4=9+4 = 13

So A is eliminated

D. f(x)=3^x+4

Step-by-step explanation:

Jamal's investment in getting his degree is $11,700.

Step-by-step explanation:

Consider the provided information.

Jamal works part-time earning $8,000 per year. He reduces his work hours by half so that he can go to school.

If his working hours reduced by half that means his earning will reduced by half: 8000 / 2 = 4000.

He goes to school for 3 semesters. So he is earning half income for a year and a half = 4000 * 1.5 = 6000

Jamal completes his degree after 3 semesters (1.5 years) at a cost of $1,400 per semester in tuition

Total cost of tuition fee in 3 semester is:

$1400×3=$4200

And he invest $500 per semester in books.

The total cost of books for 3 semester is:

$500×3=$1500

Thus, the total cost of tuition fee and books is:

$4200+$1500=$5700

By working half hours he lose $6000 and in the 3 semester he lost $5700 This makes his total investment = cost of half hours + cost of college = $6,000 + $5700 = $11,700

Hence, Jamal's investment in getting his degree is $11,700.