Write the first four terms of the arithmetic sequence with the given characteristics.a1 = 15, d = -4
A. 15, 11, 7, 3
B. 11, 7, 3, -1
C. 19, 15, 11, 7
D. 15, 11, 6, 3
Answer: A
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Multiply or divide. Simplify, if possible. Assume all variables and radicands represent nonnegative real numbers.
A. 2
B. 
C. 5
D. 5
Solve the absolute value equation.|7x + 6| + 7 = 15
A. ?
B. 
C. 
D. 
Determine i) the domain of the function, ii) the range of the function, iii) the domain of the inverse, and iv) the range of the inverse.f(x) = 
A. f(x): D = 
, R = 
;
f-1(x): D is all real numbers, R = 
B. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 
C. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 
D. f(x): D = 
, R is all real numbers;
f-1(x): D is all real numbers, R = 
Use identities to find the exact value of the function for the given value.csc ? = - and ? is in quadrant IV; Find cos ?.
A.
B. -
C.
D.