Answer: f(x)=(x+3)^2-13 = (-3|-13)
Step-by-step explanation:
x^2+6x-4
x^2+6x+3^2-3^2-4
(x+3)^2-3^2-4
(x+3)^2-13
Answer:
10.5
Step-by-step explanation:
Given the data:
Age. l frequency
1-5. l 3
6-10. l 3
11-15. l 3
16-20. I 3
Mean :
Σfx / Σf
Obtain the midpoint (x) = (upper + lower boundary) / 2
Hence, midpoint x :
Age. l frequency | x
1-5. l 3 | 3
6-10. l 3 | 8
11-15. l 3 | 13
16-20. I 3 | 18
Σfx = (3*3) + (3*8) + (3*13) + (3*18) = 126
Σf = (3 + 3 + 3 + 3) = 12
Mean = Σfx / Σf = 126 / 12 = 10.5
Answer:
(x, y) → (x - 8, y + 4)
Step-by-step explanation:
Answer:
Step-by-step explanation:
61 - (2 4/16 +3 2/3) = 61 - (5 +( 4/16 + 2/3))
= 61 - (5 +( 6/24 + 16/24))
= 61 - (5 + 22/24)
= (61 - 5) - 22/24
= 56 - 11/12
= 55 1/12