Question
I need some help understanding and getting answers for the following practice questions 2.Let.f(x)= |3x|- 9 (a) State the zero(s) of the function.________ (b)Which of
I need some help understanding and getting answers for the following practice questions
2.Let.f(x)= |3x|- 9
(a) State the zero(s) of the function.________
(b)Which of the following is true?_____
A.fis an odd function.
B.fis both even and odd.
C.fis an even function.
D.fis neither even nor odd.
4. Consider the points (- 4, 7) and (-1, 3).
(a) Find theslope-intercept equationof the line passing through the two given points.Show work.
(b) Graph the line you found in (a), by drawing it on the grid in the previous problem #3
(c) Compare your line for this problem, #4, with the line in the previous problem #3. Are the two lines parallel, perpendicular, or neither parallel nor perpendicular?(The terms parallel and perpendicular are discussed on pages 166 and 167.)No explanation required - just state the answer.
5. (8 pts) The number of guestsgin a water parkthours after 9 am is given by
g(t) = -32t2+ 220t+ 250 for0t8.(t= 0 corresponds to 9 am)
Findthe average rate of change ofgover the interval {t|4t6}= [4, 6].
Show work.
6. Tom wants to purchase custom-made mugs to advertise his business. Two companies offer different deals:
Company A:Pay a design fee of $65.00, plus $4.20 per mug
orCompany B:Pay a design fee of $95.00, plus $3.90 per mug
(a) State a linear functionf(x) that representsCompanyA's total charge for an order ofxmugs.
(b) State a linear functiong(x) that representsCompanyB's total charge for an order ofxmugs.
(c) Luke wants to purchase 130 custom-made mugs, as cheaply as possible. With which company should he place his order?Show work/explanation.
(d) For what number of mugs is the total charge exactly the same for both companies?Show algebraic work/explanation.
(e) Fill in the blanks:
Company A is the cheaper option if _____(chooselessormore)than_____(enter number)mugs are ordered.
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