PLEASE HELP!!!!!!! ASAP
2 answers:
Answer:
Growth monthly salary is $4112.2 .
Step-by-step explanation:
As given
Eric's biweekly salary is $1920 .
i.e salary for two weeks is $1920 .
As there are 14 days in 2 weeks .
Salary for one day = $ 137.14
Assume that there are 30 days in one month .
Thus
Growth monthly salary = Salary for one day × Number of days in a month
= $ 137.14 × 30
= $ 4112.2
Therefore the growth monthly salary is $4112.2 .
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a. The inverse image of f(x) is f⁻¹(x) = ∛(x/3)
b. The inverse image of g(x) is
c. The inverse image of <u>h</u>(x) is h⁻¹(x) = x + 9
<h3 /><h3>The domain of T</h3>Since T = {x ∈ R : 0 ≤ [x^2 − 25} ⇒ x² - 25 ≥ 0
⇒ x² ≥ 25
⇒ x ≥ ±5
⇒ -5 ≤ x ≤ 5.
<h3>Inverse image of f(x)</h3>
The inverse image of f(x) is f⁻¹(x) = ∛(x/3)
f : R → R defined by f(x) = 3x³
Let f(x) = y.
So, y = 3x³
Dividing through by 3, we have
y/3 = x³
Taking cube root of both sides, we have
x = ∛(y/3)
Replacing y with x we have
y = ∛(x/3)
Replacing y with f⁻¹(x), we have
So, the inverse image of f(x) is f⁻¹(x) = ∛(x/3)
<h3>Inverse image of g(x)</h3>
The inverse image of g(x) is
g : R+ → R defined by g(x) = ln(x).
Let g(x) = y
y = ln(x)
Taking exponents of both sides, we have
Replacing x with y, we have
Replacing y with g⁻¹(x), we have
So, the inverse image of g(x) is
The inverse image of <u>h</u>(x) is h⁻¹(x) = x + 9
h : R → R defined by h(x) = x − 9
Let y = h(x)
y = x - 9
Adding 9 to both sides, we have
y + 9 = x
Replacing x with y, we have
x + 9 = y
Replacing y with h⁻¹(x), we have
So, the inverse image of <u>h</u>(x) is h⁻¹(x) = x + 9
Learn more about inverse image of a function here:
Changing the subject of an equation involves solving for another variable in the equation
The equation of t is
The equation is given as:
Rewrite the equation as:
Evaluate the square root of t^2
Multiply both sides by t
Make t the subject, in the above equation
Hence, the equation of t is
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