The function f(x) = 3.45x + 12 relates how much catherine pays for electricity service, f(x), to the number of units of power, x, she uses in a month. what is the value and meaning of f(2)? $30.09; this is the amount catherine pays for 2 units of power in 1 month. $30.09; this is the amount catherine pays for 2 units of power in 12 months. $18.90; this is the amount catherine pays for 2 units of power in 1 month. $18.90; this is the amount catherine pays for 2 units of power in 12 months.

d. millimeters per hour.

step-by-step explanation:

we are given that,

carlo used a rain gauge to measure the amount of water his lawn is receiving from the sprinklers.

since, according to the options, we see that,

water cannot be measured by 'miles per hour', 'meters per second' and 'grams per seconds'.

we get that, the water can be measured by 'millimeters per hour'.

hence, the appropriate rate for describing the amount of water is 'millimeters per hour'.

a

step-by-step explanation:

strong negative correlation