
Concept explainers
Bodybuilding Supplements Exercises 33-36 are based on the following data on four bodybuilding supplements. (Figures shown correspond to a single serving.)15
Creatine (grams) | L-Glutamine (grams) | BCAAs (grams) | Cost ($) | |
Xtend (SciVation) | 0 | 2.5 | 7 | 1.00 |
Gainz (MP Hardcore) | 2 | 3 | 6 | 1.10 |
Stronbgevity (Bill Phillips) | 2.5 | 1 | 0 | 1.20 |
Muscle Physique (EAS) | 2 | 2 | 0 | 1.00 |
Your new personal trainer suggests that you supplement with at least 40 grams of creatine and 38 grams of L-glutamine but no more than 90 grams ofBCAAs each week. You are thinking of combining Gainz and Strongevity to create a week’s supply that meets your new trainer's specifications.
a. Can you combine the products in such a way that the number of servings of Gainz exceeds that of Strongevity by as much as possible? If so, how many servings of each should you combine? If not, explain why not.
b. Can you combine the products in such a way that the number of servings of Strongevity exceeds that of Gainz by as much as possible? If so, how many servings of each should you combine? If not, explain why not.

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Chapter 5 Solutions
Finite Mathematics
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- Let A = {a, b, c, d}, B = {a,b,c}, and C = {s, t, u,v}. Draw an arrow diagram of a function for each of the following descriptions. If no such function exists, briefly explain why. (a) A function f : AC whose range is the set C. (b) A function g: BC whose range is the set C. (c) A function g: BC that is injective. (d) A function j : A → C that is not bijective.arrow_forwardLet f:R->R be defined by f(x)=x^(3)+5.(a) Determine if f is injective. why?(b) Determine if f is surjective. why?(c) Based upon (a) and (b), is f bijective? why?arrow_forwardLet f:R->R be defined by f(x)=x^(3)+5.(a) Determine if f is injective.(b) Determine if f is surjective. (c) Based upon (a) and (b), is f bijective?arrow_forward
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