1. Demarco and his friend Chase have a small computer business. Demarco can set up a computer for a customer in 90 minutes. Chase can do the same job in 2 hours. Wednesday afternoon, a new client contacts them to set up 14 computers by Friday afternoon. Create a rational equation to find the time it will take for Demarco and Chase to complete this task

the first one is x^2+2x+2

the second one is x^2+4

the last one is x^2-4x+8

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step-by-step explanation:

where is the graph? need more info

let's first notice, the center of the hyperbola is at the origin, since the focus points are equidistantly 3 units away from the origin, that also means that the distance "c" from the center to either focus is 3.

it should also be notable that, the traverse axis for this hyperbola is vertical, or namely over the y-axis and therefore, the positive fraction will be the one with y-variable.

the traverse "a" component or distance from the center to either vertex is not 2, is more than 2, so we can safely put it at √5 ≈ 2.24.