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EST I Math I October 2021 I section 2 — Preview 0 / 5 answered
1
Intermediate 1
1. What is the value of f(3)?
A
A. 0.5
B
B. 1.5
C
C. 2.5
D
D. 5
2
Intermediate 2
2. What is the average (arithmetic mean) of the data shown in the table?
A
A. 2511.4
B
B. 1888
C
C. 1793.9
D
D. 1672.5
3
Intermediate 3
3. If on Thursday, April $8^{\text{th}}$, Amir walked the same distance he did the second day of April with an addition of $20%$. What is the distance he walked?
A
A. $4182 \text{ m}$
B
B. $2509.2 \text{ m}$
C
C. $2420.6 \text{ m}$
D
D. $2007.6 \text{ m}$
4
Intermediate 4
4. By what approximate percent did Amir increase the distance he walked from April $3^{\text{rd}}$ to April $5^{\text{th}}$?
A
A. 34%
B
B. 60%
C
C. 67%
D
D. 69%
5
Intermediate 5
5. What is the vertex form of the function $f(x) = 3x^2 - 9x + 1$ ?
A
A. $f(x) = 3\left(x - \frac{3}{2}\right)^2 - \frac{23}{4}$
B
B. $f(x) = 3\left(x - \frac{3}{2}\right)^2 + \frac{23}{4}$
C
C. $f(x) = 3\left(x + \frac{3}{2}\right)^2 - \frac{23}{4}$
D
D. $f(x) = 3\left(x + \frac{3}{2}\right)^2 + \frac{23}{4}$
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