The number of farms in the United States t years after 1925 is f(t) million, where ft) is graphed in Figure A, and ft) and f"(t) are graphed in Figure B. W Click the icon to view Figure A W Click the icon to view Figure B. (a) Approximately how many fams were there in 1965? O Figure A million farms (Type an integer or decimal rounded to the nearest tenth as needed) Figure B (b) At what rate was the number of farms declining in 1965? farms per year (Type a whole number.) 10 20 30 40 50 60 70 (c) In what year were there about 6.0 million farms? y = ft) y =S") In the year (d) When was the number of farms declining at the rate of 40,000 farms per y In the year(s) -.05 y =f'() 3 (Use a comma to separate answers as needed.) (e) When was the number farms declining fastest? In the year 1 -1 0. 10 20 30 40 50 60 70 (1925) (а) (b)
Percentage
A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.
Algebraic Expressions
In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.
Numbers
Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.
Subtraction
Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.
Addition
Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.
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