The art club is selling tickets to an art class to raise money. The profit from selling tickets for an art class depends on the ticket price. Using past receipts, the art club finds that the profit can be modeled by the function -16x^2+400x+85=y− 16 x 2 + 400 x + 85 = y, where x is the price of each ticket. What ticket price gives the maximum profit, y?

it would be 6xy and -16xy.

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step-by-step explanation:

the first option is the answer.

explanation:

infrared radiation has wavelength in the range between 700 nm and 1 mm. lets' convert these values into scientific notation, keeping in mind that:

let's start from the lower value, we have:

(we moved the dot two places to the left, so we increased the exponent by 2 units, from -9 to -7)

the higher value is:

so, the range of wavelength of infrared radiation is: