the number of teams who entered in a 3-on-3 charity basketball tournament can be modeled by function t, where x is the number of years since the tournament first started.
t(x)=4x+24
the entire fee paid by each team to enter the tournament can be modelfied by function f, where x is the number of years since the tournament first started.
f(x)=5x+45
which function, r, best represented the total entry fees collected in the sixth year since the tournament first started?
a. r(x)=9x^2+29x+69
b. r(x)=20x^2+1080
c. r(x)=20x^2+300x+1080
d. r(x)=9x+69

Step-by-step explanation:

The number of teams who entered in  basketball tournament

The entire fee paid by each team to enter the tournament

Total entry fees = Number of teams * fee paid by each term

USe FOIL method to multiply it

combine like terms

3< x< 5

step-by-step explanation:

|x - 4| < 1

there are two solutions, one positive and one negative.   remember to flip the inequality when taking the negative solution

x-4 < 1       x-4 > -1

add 4 to each side

x-4+4 < 1+4       x-4+4 > -1+4

x< 5                 x> 3

3< x< 5

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step-by-step explanation: