F(x)= −2x^2 + 8x − 10
{Find } f(-4)

Write a function that matches the description. a cosine function has a maximum of 5 and a minimum value of -5. f (r) =

Ineed to know the ordered pairs for this equation i need the answer quick because it’s a timed test

Plz answer asap! i will reward brainliest and 12 points for these three questions!take notice: these three questions are completely different! 1) what is the percentage of sugar in the syrup made of 10 kg of water and 4 kg of suugar? 2) what was the original price if after 10% discount it became $450? 3) at first a price was decreased by 12%, then it was disounted again by an additional 5%. what is the percent of the total discount? , and remeber i will award brainliest and 12 points!