- Y=2x. . . . (1)
- Y=3x-10. . . . (2)
put value of y in 1 eq in 2 eq
- y= 3x - 10
- 2x = 3x - 10
- x = 10
Put value of x in 1 eq
- y = 2x
- y = 2 × 10
- y = 20
Pair formed
(x , y) = (10,20)
If f(x)=4x^2+5x, what is f(a+4)
2 answers:
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For this case we have that by definition, the circumference of a circle is given by:
Where:
d: Is the diameter of the circumference
According to the data we have to:
Substituting:
Rounding out we have that the diameter is: 80
Answer:
Option B