Provide an appropriate response.By definition of an exponential function, if f(x) = bx is an exponential function, then b must be _______ .
A. greater than or equal to one
B. greater than zero and not equal to one
C. greater than or equal to zero
D. greater than one
Answer: B
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Solve the equation by completing the square.x2 + 16x + 43 = 0
A. {-8 - 
, -8 + 
}
B. {8 - 
, 8 + 
}
C. {8 + 
}
D. {-16 + 
}
Solve the problem.A surveyor standing 62 meters from the base of a building measures the angle to the top of the building and finds it to be 36°. The surveyor then measures the angle to the top of the radio tower on the building and finds that it is 47°. How tall is the radio tower?
A. 7.88 m B. 8.9 m C. 12.05 m D. 21.44 m
Solve the problem.A flare fired from the bottom of a gorge is visible only when the flare is above the rim. If it is fired with an initial velocity of 
and the gorge is 96 ft deep, during what interval can the flare be seen?(h = -16t2 + v0t + h0.)
A. 0 < t < 2 B. 6 < t < 7 C. 4 < t < 5 D. 2 < t < 3
Write a general term an for the sequence. Assume that n begins with 1.7, 
, 
, 
, . . .
A. an = 
B. an = 
C. an = 
D. an = 