What are the domain and range of the function f(x)=x4-2x2 -4?
domain: all real numbers
range: all real numbers greater than or equal to -5
domain: all real numbers
range: all real numbers greater than or equal to -4
domain: all real numbers between -2.5 and 2.5
range: all real numbers
domain: all real numbers between -2.5 and 2.5
range: all real numbers greater than or equal to -5

the expression (1.26)2t reveals the approximate rate of increases in the number of plants semiannually.

hope this : )

a. is correct

bull

step-by-step explanation:

total amount of money that he should pay if he has not used his duty free exemption is $98

step-by-step explanation:

given a united states citizen returning to the states declares the following items at the customs office: 3 shirts at $8.50 each 2 dresses at $27.50 each 1 pair of gold cuff links at $17.50 per pair. we have to find how much he pay

cost of 3 shirts if one cost at $8.50 is

cost of 2 dresses if one cost at $27.50 is  

cost of 1 pair of gold cuff at $17.50

so, total amount of money that he should pay if he has not used his duty free exemption is   $25.5+$55+$17.50=$98