Answer:
all real numbers
only the range value is with a minimum of -1 and a maximum of 1 unless there's a vertical shift.
Let x = the number of hours Eva needs to complete the job
and y = the number of hours Emily needs to complete the job
x = 6
1/x + 1/y = 1/4
(The amount of work Eva does in 1 hr + the amount of work Emily does in 1 hr should equal 1/4 of the total work)
1/6 + 1/y = 1/4
1/y = 1/12
y = 12 hours
Emily would take 12 hours to do it by herself.
Answer:
1. 0
Step-by-step explanation:
I don't know the even number one. (−1)^r when r is an odd integer greater than 1 always will equal -1 then -1 + 1 = zero
