We can use the subtraction method to solve this:
3x - 5 ≥ 4
x + 1 ≥ 2
2x - 6 ≥ 2
2x ≥ 8
The solution set is x ≥ 4
Yes, the relationship between the money exchanged and the local currency represent a function. That function is given as follows: $1 = Rx * 100 where x is the current exchange rate of of the Rand.
<h3>What is a function?</h3>
A function in math is one that depicts the relationship between one dependent variable and an independent variable.
In this case, the independent variable is the US dollars.
Learn more about mathematical functions at:
brainly.com/question/26233
#SPJ1
Answer:
Right triangles are never acute triangles.
Obtuse triangles are sometimes isosceles triangles.
Step-by-step explanation:
The first 2 answers you have included are correct.
Answer:
56.88
Step-by-step explanation:
2 ways to do this
45.50 x 25% = 11.375
45.50 + 11.375 = 56.875
and that rounds to 56.88
for option 2 I recommend a calculater
45.50 + 25% = 56.875
56.88
Answer:
-22
Step-by-step explanation:
f(x) = -2x^2 - 4 for x = 3
f(3) = -2(3)^2 - 4
f(3) = -2(9) - 4
f(3) = -18 - 4
f(3) = -22
Answer: -22
