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EST I |Math I October 2020 | section 2 — Preview
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1
Intermediate
1
1. What is the secret value, k, in terms of a,b,c and d?
A
A. $k = \frac{c-3b}{2a+2d}$
B
B. $k = \frac{b-3c}{2a+2b}$
C
C. $k = \frac{2c-6b}{a+d}$
D
D. $k = \frac{6b-2c}{a+d}$
2
Intermediate
2
2. How many new books are there in the library?
A
A. 316
B
B. 158
C
C. 352
D
D. 238
3
Intermediate
3
3. What is the area of the sector defined by a central angle of 54° in the circle of equation $x^2 + y^2 - 8x + 12y - 12 = 0$?
A
A. $15π$
B
B. $9.6π$
C
C. $5.4π$
D
D. $2.4π$
4
Intermediate
4
4, The graph shown represents which of the following equations?
A
A. y = $-\frac{2}{5}x - 3$
B
B. $y = \frac{2}{5}x + 3$
C
C. $y = -\frac{2}{5}x + 3$
D
D. $y = -\frac{5}{2}x + 3$
5
Intermediate
5
5. Which of the following is not in the range of f(g(x))?
A
A. -3
B
B. 0
C
C. 5
D
D. 6