Determine which of the following point lies on the graph of the equation.
?
?
A. (2, 10)
B. (2, 9)
C. (2, 8)
D. (9, 8)
E. (3, 8)
Answer: C
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A certain population grows exponentially with a yearly growth factor of 1.06. The population is initially 509 individuals. ? A: Write a formula that gives the population N after t years. ? B: What is the population after 4 years? Round your answer to the nearest whole number. ? C: Plot the graph of N versus t over the first 20 years. ? D: How long will it take for the population to reach 985 individuals? Round your answer to two decimal places.
What will be an ideal response?
Solve.In Satoru's hometown, the highest temperature ever recorded is 107°F. Convert this temperature to Celsius. Round to the nearest tenth of a degree.
A. 224.6° C B. 41.7° C C. 27.4° C D. 77.2° C
For the polynomial, list each real zero and its multiplicity. Determine whether the graph crosses or touches the x-axis at each x -intercept.f(x) = 3(x - 2)(x + 7)2
A. 2, multiplicity 1, touches x-axis; -7, multiplicity 2, crosses x-axis B. -2, multiplicity 1, crosses x-axis; 7, multiplicity 2, touches x-axis C. 2, multiplicity 1, crosses x-axis; -7, multiplicity 2, touches x-axis D. -2, multiplicity 1, touches x-axis; 7, multiplicity 2, crosses x-axis
Write a proportion that models the situation described. Then, solve the proportion for x.A rectangle has sides of 6 and 16. In a similar rectangle, the longer side is 80 and the shorter side is x.
A. 
= 
; x = 
B. 
= 
; x = 32
C. 
= 
; x = 30
D. 
= 
; x = 