Which functions have a range of {y e r | - infinity < y < infinity} A: f(x) = 2/3x - 8
B: f(x) = x2 + 7x - 9 (exponent 2)
C: f(x) = 2x+3 (exponent x+3)
D: f(x) = -(x+1)2 - 4 (exponent 2)
E: f(x) = -4x + 11

Adaycare center charges a $75 enrollment fee plus $100 per week. which of the following represents the cost of sending a child to daycare for 14 weeks?

Construct the graph that models the given situation

The ivring berlin learning center would like a possible net profit of $650,000 on its new resource manual it sells to schools. the fixed costs for producing the manual are $780,000 and the variable cost per package is $19.85. if the estimated unit sales are 1,250,000 units, what selling price unit should the ivring berlin learning center try?