Write the logarithmic equation as an exponential equation.ln 
= -1
A. e1/e = -1
B. e-1 = 
C. e-1 = -1
D. e-1 = -e
Answer: B
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Solve the problem.Find the equation of the plane through the point P(8, -8, 7) and perpendicular to the line 
.
A. 7x + 4y + 5z = -59 B. 7x + 4y + 5z = 7 C. 7x + 4y + 5z = 16 D. 7x + 4y + 5z = 59
Determine whether or not the relationship shown in the table is a function.
Does the table define weight as a function of the day in January?
A. Yes B. No
Solve the problem. Round your answer to the nearest tenth, when appropriate.A rock falls from a tower that is 98 m high. As it is falling, its height is given by the formula 
How many seconds will it take for the rock to hit the ground 
A. 4.5 sec B. 1960 sec C. 9.6 sec D. 9.9 sec
Find the vertex, the focus, and the directrix of the parabola.-2x2 + 12x - y - 22 = 0
A. V: (3, -4); F: 
; D: y = - 
B. V: 
; F: 
; D: x = - 
C. V: 
; F: (3, -12); D: x = -4
D. V: 
; F: (3, -6); D: x = -2