It is twice as far from (3,0) as it is from the y axis
1 answer:
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Answer:
( , -
)
Step-by-step explanation:
given the 2 equations
2x + 3y = - 4 → (1)
4x - y = 11 → (2)
Rearrange (2) expressing y in terms of x, that is
y = 4x - 11 → (3)
Substitute y = 4x - 11 into (1)
2x + 3(4x - 11) = - 4
2x + 12x - 33 = - 4
14x - 33 = - 4 ( add 33 to both sides )
14x = 29 ( divide both sides by 14 )
x =
Substitute this value into (3) for corresponding value of y
y = (4 × ) - 11 =
-
= -
= -
solution is ( , -
)
Answer:
9
Step-by-step explanation:
Using the rule of radicals
×
⇔
Simplify the radicals
=
= ×
= 2
=
= ×
= 3
Then
3 +
= 3(2 ) + 3
= 6 + 3
= 9
ANSWER
B. Domain is (-∞,∞) and Range is (-∞,∞).
The given function is
This is function is obtained by shifting the base cubic root function 6 units to the right and 5 units up.
This function is defined for all real values of x.
Therefore the domain is all real numbers.
The range is all real numbers.
The domain for this function becomes the range for the inverse function and the range becomes the domain.
Hence the domain is (-∞,∞) and the range is (-∞,∞).