Answer: Not a function
Step-by-step explanation:
Answer:
There were 120 questions on the test.
Step-by-step explanation:
It is given that:
Number of questions answered = 54
Grade percent = 45%
Let,
x be the total number of questions
45% of x = 54

Dividing both sides by 0.45

Therefore,
There were 120 questions on the test.
Hey there!!
The graph B is not a function as it doesn't pass the vertical line test, as there are two x values repeating.
We do not want value x repeating, if it does, it is not considered to be a function anymore.
Hope my answer helps!
Answer:
5
Step-by-step explanation:
405=9x9xj
rearrange
j=5
Answer: 3x4 - 13x3 + 28x2 - 23x + 10
Step-by-step explanation:
(3x2 - 4x + 5)(x2 - 3x + 2)
(3x4 - 9x3 + 6x2)
+ (-4x3 + 12x2 - 8x)
(10x2 - 15x + 10)
3x4 - 13x3 + 28x2 - 23x + 10