Find an equation of the line tangent to the given curve at the point (a, f(a)). f(x) = 8e-4x , a = 0
A. y = 8x + 8
B. y = 4x - 8
C. y = -32x + 8
D. y = 32x - 8
Answer: C
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The table below shows the value V, in dollars, of a certain rare coin t years since 1950. t 0 30 45 54 60 V 30 402 654 1840 2151? A: Use exponential regression to model V as a function of t. Round your answer to two decimal places.B: Plot the exponential model along with the data points.C: According to the exponential model, what is the value of the coin in 2015? Round your answer to the nearest cent.
What will be an ideal response?
Write the compound inequality as an absolute value inequality. Do not simplify.-0.7 ? x + 
? 0.7
A. 
? 0.7
B. x + 
? 
C. 
? 0.7
D. 
? 0.7 + 
Write the ratio in lowest terms.55 meters to 75 meters
A. 
B. 
C. 
D. 
Establish the identity.cot x sec4 x = cot x + 2 tan x + tan3 x
What will be an ideal response?