3(x+4)^2-12=0 is the equation resulting from setting a quadratic function equal to zero and completing the square. What direction does the graph open , what is the axis of symmetry and what is the vertex for the graph of the function?

what are you trying to solve here

step-by-step explanation:

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: