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zepelin [54]
3 years ago
12

Given s(x) = 2x - 3 and t(x) = 5x + 4. Find the formula and domain for v(x) = s (x) / t (x) and w(x) = t (x) / s (x)

Mathematics
2 answers:
Liula [17]3 years ago
8 0
V(x) = (2x - 3)/(5x + 4)
The domain is all Real numbers except x = -4/5, because if x = -4/5 the denominator would be zero and you cannot divide by zero.
{x | x ∈ R, x ≠ -4/5}

w(x) = (5x + 4)/(2x - 3)
similarly, x ≠ 3/2
so, {x| x ∈ R, x ≠ 3/2}
Hunter-Best [27]3 years ago
7 0

Answer:

v(x) = \frac{2x-3}{5x+4}

Domain of v(x) is {x | x ∈ R, x ≠ -4/5}

w(x) = \frac{5x+4}{2x-3}

Domain of w(x) is {x | x ∈ R, x ≠ 3/2}

Step-by-step explanation:

Given : s(x) = 2x - 3

            t(x) = 5x + 4

To Find: The formula and domain for v(x) = \frac{s (x)}{t(x)}  and   w(x) = \frac{t (x)}{ s (x)}

Solution:

v(x) = \frac{s (x)}{t(x)}

v(x) = \frac{2x-3}{5x+4}

The domain is all Real numbers except x=\frac{-4}{5} because if x=\frac{-4}{5}    the denominator would be zero and you cannot divide by zero.

So, Domain of v(x) is {x | x ∈ R, x ≠ -4/5}

w(x) = \frac{t (x)}{ s (x)}

w(x) = \frac{5x+4}{2x-3}

The domain is all Real numbers except x=\frac{3}{2} because if x=\frac{3}{2}    the denominator would be zero and you cannot divide by zero.

So, Domain of w(x) is {x | x ∈ R, x ≠ 3/2}

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