Solve.A nutritionist is preparing a meal for a patient. The meal should contain 850 calories, 60 g of protein, and 320 mg of vitamin C. The nutritionist prepares a meal of roast beef, baked potatoes, and broccoli according to the data in the following table: 
How many servings of each food are needed in order to satisfy the requirements?
A. Roast beef: 2; baked potato: 
; broccoli: 2
B. Roast beef: 1
; baked potato: 
; broccoli: 3
C. Roast beef: 2; baked potato: 1; broccoli: 3
D. Roast beef: 2
; baked potato: 1; broccoli: 2
Answer: C
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Solve the problem.A class consisting of 160 students is given an exam. The first quartile for the scores on the exam is 42. This means that
A. 80 students scored 42 or higher. B. 40 students scored 42 or higher. C. 120 students scored 42 or higher. D. 25 students scored 42 or higher. E. none of these
Use differentiation to determine whether the integral formula is correct.
dx = (8x + 3)4 + C
A. No B. Yes
Graph the given function as a solid line (or curve) and its inverse as a dashed line (or curve) on the same set of axes.f(x) = 
A. 
B. 
C. 
D. 
Solve.Find which is the better buy (lower cost per ounce) by finding each unit price rounded to three decimal places if necessary. Assume that different sizes of the same brand are being compared. Soy sauce: $1.31 for 22.5 ounces $0.86 for 10.0 ounces
A. $1.31 for 22.5 ounces B. $0.86 for 10.0 ounces C. Both cost the same per ounce.