The function f(x) = 0.11x + 43 relates how much Derek pays for phone service, f(x), to the number of minutes, x, used for international calls in a month. What is the value and meaning of f(320)? (5 points)

$78.20; this is the amount Derek pays for 320 months of service
$78.20; this is the amount Derek pays for 320 minutes of international calls
$92.50; this is the amount Derek pays for 320 months of service
$92.50; this is the amount Derek pays for 320 minutes of international calls

Question

The function f(x) = 0.11x + 43 relates how much Derek pays for phone service, f(x), to the number of minutes, x, used for international calls in a month. What is the value and meaning of f(320)? (5 points)

	$78.20; this is the amount Derek pays for 320 months of service
	$78.20; this is the amount Derek pays for 320 minutes of international calls
	$92.50; this is the amount Derek pays for 320 months of service
	$92.50; this is the amount Derek pays for 320 minutes of international calls