Let the function f be defined by the equation y = f (x), where x and f (x) are real numbers. Find the domain of the function 
a. domain:
b. domain:
c. domain:
d. domain:
d. domain:
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Solve the problem. Unless stated otherwise, assume that the projectile flight is ideal, that the launch angle is measured from the horizontal, and that the projectile is launched from the origin over a horizontal surfaceAn ideal projectile is launched from level ground at a launch angle of 26° and an initial speed of 48 m/sec. How far away from the launch point does the projectile hit the ground?
A. ? 185 m B. ? 290 m C. ? 230 m D. ? 60 m
Simplify the expression. Assume that variables represent nonzero numbers.(w3z)3(w5z4)
A. w45z12 B. w14z7 C. w11z7 D. w8z7
Solve the problem. There are currently 65 million cars in a certain country, decreasing exponentially by 4.9% annually. How many years will it take for this country to have 36 million cars? Round to the nearest year.
A. 29 yr B. 12 yr C. 69 yr D. 6 yr
Perform the operation and write the result in the standard form.(4 + 8i)(4 - 8i)
A. 16 - 64i2 B. 16 - 64i C. 80 D. -48