Evaluate each function for the indicated values 1. f(x)=3x+5; {-2,0,2} 2.g(x)=x-9 findg(5) 3. f(n)=(3-n)+4; {-1,-2,3}

Eric has challenged himself to walk 24,000 steps in 4 days. if eric walks the same number of steps each day, which function represents the number of steps eric still needs to walk to reach his goal with respect to the number of days since he started his challenge? a. y = 8,000x − 24,000 b. y = -8,000x + 24,000 c. y = 6,000x − 24,000 d. y = -6,000x + 24,000

Three times the sum of a number and seven is negative thirty-six. what is the number?

How many kilograms of a 5% salt solution and how many kilograms of a 15% salt solution must be mixed together to make 45kg of an 8% salt solution?