What does it mean if your final exam grade is modeled by the function f(x) = 100 - 3.3x?
A) Your grade increases steadily with every correct answer.
B) Your grade decreases steadily with every incorrect answer.
C) Your grade increases more rapidly with every correct answer.
D) Your grade decreases more rapidly with every incorrect answer.

B) is the correct answer

Step-by-step explanation:

You have a perfect 100 until you get a question wrong which each question is worth 3.3 points. So, if you answered 7 wrong the x would be replaced by the 7 and the grade would decrease steadily.

$450 is the answer.

step-by-step explanation:

30% of 450 = 135

450-135=315

f(x) = - 2/3x + 5; f(5/2)

substitute 5/2 in for x:

f(5/2) = -2/3(5/2) + 5

simplify the right side:

f(5/2) = -5/3 + 5

f(5/2) = 10/3

answer:

f(5/2) = 10/3

i hope this you!