Estimate the answer from the table or graph.In a shop that sells a variety of nuts, the prices of some items are as given below. If Sarah buys 
cashews, 1 lb of walnuts, and 2 lb of raisins, how much did she have to pay? 
A. $23.80
B. $19.90
C. $16.00
D. $26.90
Answer: B
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Use the table to find the indicated limit.If f(x) = x2 - 5, find 
f(x).
A. 
; limit = -3.0
B. 
; limit = -15.0
C. 
; limit = ?
D. 
; limit = -5.0
Determine whether the relation is a function.
A. Not a function B. Function
Use the REGRESSION feature on a graphing calculator.As the number of farms has decreased in South Carolina, the average size of the remaining farms has grown larger, as shown below. 
Let x represent the number of years since 1900. Use a graphing calculator to fit a quadratic function to the data. Round your answer to five decimal places.
A. y = 0.02536x3 + 1.21114 + 102.58741 B. y = 0.02536x2 + 1.21114 x + 102.58741 C. y = -.00114x3 + 0.19605x2 - 5.29775 + 143.55245 D. y = 0.02536x3 + 1.21114 x + 102.58741
Solve the problem.Julia, who is 1.80 m tall, wishes to find the height of a tree with a shadow 30.76 m long. She walks 21.03 m from the base of the tree along the shadow of the tree until her head is in a position where the tip of her shadow exactly overlaps the end of the tree top's shadow. How tall is the tree? Round to the nearest hundredth.
A. 3.03 m B. 2.63 m C. 5.69 m D. 1.80 m