Answer:
7) First Circle
8)Also First Circle
Step-by-step explanation:
For the first one simplify the bottom expression to get (x-3)(x+7), then cancel out the numerator and x+7 to get 1/x-3. The restrictions are when you solve for x-3 and x+7
The second one is the same thing but this time we simplify the numerator to get (x+2)(x-5). Then, cancel out both x+2. Then you get x-5 as the answer and the restriction is -2 because x+2 is the denominator.
Hope this helps!
When you multiply the input of a graphed equation by -1, the graph will be mirrored over the x-axis.
This is because all positive outputs (y values) become negative, and all negative outputs become positive; thus, resulting in the mirror over the x-axis as it represents a change in sign.
Let me know if you need any clarifications, thanks!
~ Padoru
Answer:
0.73
Step-by-step explanation:
the probability that it is not X is 1-0.4 = 0.6
The probability that it is not Y is 1-0.5 = 0.5
The probability that it is not Z is 1-0.1 = 0.9
So the probability that it is not any of these is
0.6x0.5x0.9 = 0.27
So the probability that it is X Y or Z is 1-0.27 = 0.73
Is there any other number in the question