4. What is the first derivative of f(x) = (x² – 4)(3x – 2)? a. 9x² – 4x – 12 b. (2x)(3) C. 6x d. (x + 2)(x – 2)(3)

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Pls answer 4-7. Thank you!
4. What is the first derivative of f(x) = (x² – 4)(3x – 2)?
a. 9x2 – 4x – 12
b. (2х)(3)
с. бх
d. (x + 2)(x – 2)(3)
_5. What is the derivative of f(x) :
3x+2
17
c.
а.
(3x+2)
4x²-3x
b.
3x+2x
16
d.
"(3x+2)
_6. What is the derivative of f(x) = (5 – x²)²?
а. 2(5- х?)
b. 10 - 2x2
с. 4х3 - 20х
d.(5 – x²)(5 – x²)
7. What is the equation of the tangent line and the normal line to y = x² – 4x + 2 at (4,2)
respectively?
a. y = -4x + 14 and y = -x – 3
b. y = 4x – 14 and y = -÷x + 3
C. y = 4x – 14 and y = -x + 3
d. y = -4x + 14 and y = -x – 3
Transcribed Image Text:4. What is the first derivative of f(x) = (x² – 4)(3x – 2)? a. 9x2 – 4x – 12 b. (2х)(3) с. бх d. (x + 2)(x – 2)(3) _5. What is the derivative of f(x) : 3x+2 17 c. а. (3x+2) 4x²-3x b. 3x+2x 16 d. "(3x+2) _6. What is the derivative of f(x) = (5 – x²)²? а. 2(5- х?) b. 10 - 2x2 с. 4х3 - 20х d.(5 – x²)(5 – x²) 7. What is the equation of the tangent line and the normal line to y = x² – 4x + 2 at (4,2) respectively? a. y = -4x + 14 and y = -x – 3 b. y = 4x – 14 and y = -÷x + 3 C. y = 4x – 14 and y = -x + 3 d. y = -4x + 14 and y = -x – 3
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