HSA Patterns and Functions 2
Con il contributo di:
Dyson
- 1. Dr. Ross invested 3x + 8 dollars per share in Man Ur Fertilizer. If he purchased 4x – 2 shares, what is the value of his stock?
A) (3x + 8) + (4x - 2)
B) (3x + 8) - (4x - 2)
C) 3x + 8+ 4x
D) (3x + 8)(4x - 2)
- 2. Mr. Shockleys boat and trailer cost a total of $9286 dollars. If the trailer cost 2t dollars, which expression represents the cost of the boat?
A) 9286 - 2t
B) 2t + 9286
C) 2t - 9286
D) 2t(9286)
- 3. A childs entrance fee at the Monster Truck show is two dollars less than the fee for an adult. If an adult ticket cost z dollars, which expression represents the admission price for 2 adults and 3 children?
A) 2z + 3(z - 2)
B) 3z + 2(z - 2)
C) z + z - 2
D) 2z + 3z - 2
- 4. The shaded area represents a pool and the larger area is the fenced region to be paved. If the area of the fenced region is 9x2 + 9 and the area of the pool is 4x2, which expression represents the area to be paved?
A) (9x2 + 9)(4x2)
B) (9x2 + 9) + 4x2
C) 4x2 - (9x2 + 9)
D) (9x2 + 9) - 4x2
- 5. How many zeroes are in this function?
A) 4
B) 3
C) infinite
D) 2
- 6. For what x-value is the function not continuous?
A) 6
B) -5
C) -2
D) 2
- 7. What is the maximum of the function?
A) 2
B) -2
C) 7
D) 4
- 8. What is the domain and range of the function?
A) Domain: -6 ≥ x ≥ 5 <br>Range: 2 ≥ y ≥ 6
B) Domain: 2 ≤ x ≤ 6 <br>Range: -6 ≤ y ≤ 5
C) Domain: -6 ≤ x ≤ 5 <br>Range: -2 ≤ y ≤ 6
D) Domain: 2 ≥ x ≥ 6 <br>Range: -6 ≥ y ≥ 5
- 9. What is the value of y is value of x is 70?
A) 10
B) 20
C) 17
D) 15
- 10. Using the function shown, which term describes the point (-3, -4)
A) maximum
B) zero
C) minimum
D) root
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