How to find the domain and range of numbers

answer: t=3

step-by-step explanation:

3x + 4y -25 =0 represents the amount of change sianna should recieve

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:

the graph line crosses the x axis at both -6 and -2, so the answer would be the second one.