Solve the problem.Bob wants to fence in a rectangular garden in his yard. He has 86 feet of fencing to work with and wants to use it all. If the garden is to be x feet wide, express the area of the garden as a function of x.
A. A(x) = 42x - x2
B. A(x) = 43x - x2
C. A(x) = 44x - x2
D. A(x) = 45x2 - x
Answer: B
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Solve the problem.Find and simplify f(5m + 6) given f(x) = x2 - 3x.
A. 25m2 + 60m + 33 B. 25m2 + 45m + 18 C. 25m2 + 45m + 42 D. 25m2 - 15m + 18
Simplify.
? 
? 
A. 
B. 
C. 
D. 
Solve by factoring:
A) –3, 4
B) –2, –3
C) 2, –7
D) –3, 3
E) 4, –3
Solve the problem.Three different clothing stores order the following amounts of clothing by a certain designer:JacketsShirtsSuitsStore 1:50?10?30Store 2: 30?10?10Store 3:50?10?10The unit prices of each product are given below for two suppliers: Supplier A Supplier BJacket8590Shirt3030Suit180200What matrix product displays the cost to each store of buying the clothes from each supplier? Display the two matrices which must be multiplied and their product.
A. 
= 
B. 
= 
C. 
= 
D. 
= 