Functions
What is (f-g) (x)
f(x)=-3x+5
g(x)=-2x2
2x2-3x+5
(6,2187) and (3,81)
y=3(3)x
Maria is saving for a new bicycle that costs $150 she starts with $30 in her piggy bank. Every week, she adds money to the piggy bank. How many weeks will it take her to reach her goal.
It will take Maria 9 weeks to save enough money for the bike.
x < 5
At a local café, 2 cups of coffee and 1 bagel cost a total of $8.50. Meanwhile, a customer in front of you orders 3 cups of coffee and 2 bagels, which comes to a total of $14.00. Find the individual price of a single cup of coffee and a single bagel.
A cup of coffee costs $3.00 and a bagel costs $2.50
What is (f-g) (x)
f(x)=2x2-2
g(x)=x
2x2-x-2
(1,25) and (-1,4)
n2 +2n
y > 4
What is (f-g) (x)
f(x)=-x2
g(x)=-3x+2
-x2-3x+2
(-2,0.72) and (1,11.25)
y=4.5(2.5)x
You start a new job and the company offers annual starting salary of 50,000 to keep up with inflation the guaranteed arrays of 2,500 every single year. What will your annual salary be in your 10th year?
In your 10th year, your annual salary will be $72,500
n > 4
What is (f-g) (x)
f(x)=x2-x
g(x)=-3x
x2-4x
y=16(1.25)x
Problem: A theater has 20 rows of seats. The first row has 20 seats, the second row has 21 seats, the third row has 22 seats, and so on. If each row adds one more seat than the previous, how many total seats are in the theater?
Answer: 590 seats
n > 4
A local Gym charges a $50 sign-up fee plus $200 per month. how much you will pay after 6 months
After 6 months you will pay a total of 170
You buy a new car for 30,000. Its value decreases by 12% each year. How much will the car be worth in 5 years.
After 5 years the car will be worth approximately $15,831
A population of 500 bacteria doubles every hour. How many bacteria will there be after 6 hours?
Answer: 32,000 bacteria
m greater than or equal to 260 miles