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harkovskaia [24]
2 years ago
14

2.7 Q2 Find an equation for the inverse function.

Mathematics
1 answer:
inessss [21]2 years ago
4 0
To find the inverse, we need to solve for x in term of f(x)

f(x) = 5x + 4
5x + 4 = f(x)

Solve for x
5x + 4 = f(x)
5x = f(x) - 4
  x = \cfrac{f(x)-4}{5}

x acts as the invers of f(x), and f(x) is the invers of x, so the inverse function will be
f⁻¹(x) = \cfrac{x-4}{5}
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7. The terminal side of theta, and angle in standard position, intersects the unit circle at
SIZIF [17.4K]

Complete question is;

The terminal side of angle θ in standard position, intersects the unit circle at P(-10/26, -24/26). What is the value of csc θ?

Answer:

csc θ = -13/12

Step-by-step explanation:

We know that in a unit circle;

(x, y) = (cos θ, sin θ)

Since the the terminal sides intersects P at the coordinates P(-10/26, -24/26), we can say that;

cos θ = -10/26

sin θ = -24/26

Now we want to find csc θ.

From trigonometric ratios, csc θ = 1/sin θ

Thus;

csc θ = 1/(-24/26)

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2 years ago
Jamie receives 15% commission on magazine subscriptions. One week her sales totaled $860. What was her commission?
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Given:

Jamie receives 15% commission on magazine subscriptions.

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