Answer:
d. 8 over 15 = 136 over 15 this is the right answer okay
Given the equation:

You know that the radioactive substance has this half-life (in years)

And:

Therefore, you can rewrite the equation in this form in order to find "k":

Solve for "k":
Answer:
x = 5
Step-by-step explanation:
12x - 6 + 6 = 54 + 6
12x = 60
12/12 = 60/12
X = 5
Answer: The slope is
.
Step-by-step explanation:
1. You set up your Slope Formula
.
2. Substitue your points into the formula.
.
3. Once you substitute, you will solve the equation
.
4. Simplify the equation if you have to
.
Answer:
4
Step-by-step explanation:
→ We go up the y axis to 6 and read of the x coordinate which is 4. This is because an inverse function does the the opposite i.e. if f ( x ) = y
f⁻¹ ( y ) = x.