36 ml STEXAS Test Prep
Lesson Check
Fill in the bubble completely to show your answer.
Use the Grade of Marching Band Members frequency
table for 8-9.
8. There are half as many 11th grade students
in the band as there are 9th grade students.
How many 11th grade students are in the
band?
A 42
C 51
Grade of Marching
Band Members
Grade
Frequency
9
84
10
51
11
(В
84
D
17
12
34
9. How many more 9th grade students are in
the hond than lotharade students?

1. minimum

2. 6400

3. eight

hope this !

they would have to work 32 hours.

step-by-step explanation:

to determine whether a given function is even, we simply substitute x with -x in the expression. if the result after simplification is identical to the original equation, then the function is said to be even other wise odd.

f(-x) = (-x)^2 - (-x) + 8

      = x^2 + x +8

the resulting function is not identical to the original one;

f(-x) ≠ f(x)

therefore, f(x) is not an even function

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