Answer:
x=4 x=-5
Step-by-step explanation:
x^2+x-20=0
Factor
What 2 numbers multiply to -20 and add to 1
-4*5 =-20 and
-4+5 =1
(x-4) (x+5) =0
Using the zero product property
x-4 =0 x+5=0
x=4 x=-5
Answer: C) J = 5
Step-by-step explanation:
Switch sides
j+5 \le 10
Subtract 5 from both sides
j+5-5 \le 10 - 5
Simplify j \le 5
c) j = 5
EF for sure u got to really pay attention to the inches
For one to one function each element in the domain is mapped on to an one and only one element in the co-domain.
The could be some elements in the co-domain that are not being used.
For a function to be one to one, then for

if and only if

For an onto function all the elements in the co-domain must be used up.
In order words, the

The condition is

Meaning each