For security, a credit card number is coded in the following way, so that it can be sent as a message. subtract each digit from 9. (8)
code the credit card number 3201 2342 3458 0931

If you shift the linear parent function, f(x)=x, up 13 units, what is the equation of the new function?

Which description is represented by a discrete graph? kiley bought a platter for $19 and several matching bowls that were $8 each. what is the total cost before tax? the temperature at 9 a.m. was 83° f and is heating up at an average rate of 6°f per hour. what is the temperature x hours later? juan ate an egg with 78 calories and some cereal with 110 calories per serving for breakfast. what is the total amount of calories he consumed? a bottle contained 2,000 ml of liquid and is being poured out at an average rate of 300 ml per second. how much liquid is left in the bottle after x seconds?

Find the vertex for the parabola given by the function ƒ(x) = −3x2 − 6x.